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{{Infobox person
| name         = Danica McKellar
| image        = DanicaMcKellar-2007-10-01.jpg
| imagesize    = 200px
| caption      = At a book signing, October 2007
| birth_name   = Danica Mae McKellar
| birth_date   = {{Birth date and age|1975|1|3}}
| birth_place  = [[La Jolla, California]], U.S.
| death_date   =
| death_place  =
| other_names  =
| occupation   = Actress, author, education advocate and director
| years_active = 1984–present
| spouse       = Mike Verta (2009–2012)
| education    = [[Bachelor's degree]] (''[[Latin honors|summa cum laude]]'')
| alma mater   = [[University of California, Los Angeles|UCLA]]
| website      = {{URL|http://www.danicamckellar.com/}}
}}

'''Danica Mae McKellar''' (born January 3, 1975) is an American actress, film director, academic, book author and education advocate. She played Winnie Cooper in the television show ''[[The Wonder Years]]'', and later wrote four non-fiction books: ''Math Doesn't Suck'', ''Kiss My Math'', ''Hot X: Algebra Exposed'' and ''Girls Get Curves: Geometry Takes Shape'', which encourage middle-school and high-school girls to have confidence and succeed in mathematics.<ref name="nytimes.com">{{Cite news | url=http://www.nytimes.com/2008/09/28/books/bestseller/bestchildren.html?_r=1 | title=Children's Books | newspaper=[[The New York Times]] | date=September 28, 2008 | accessdate=August 23, 2012}}</ref><ref>{{Cite web | url=http://www.danicamckellar.com/math-books/ | title=Math Books | publisher=Danicamckellar.com | accessdate=August 23, 2012}}</ref>

== Early life ==
Born in [[La Jolla, California]], McKellar moved with her family to [[Los Angeles, California|Los Angeles]] when she was eight. Her mother Mahalia is a homemaker; her father Christopher is a [[real estate developer]].<ref>[http://www.filmreference.com/film/38/Danica-McKellar.html "Danica McKellar Biography (1975–)"]. Film Reference. Retrieved July 19, 2013.</ref>

Her mother's ancestry is [[Portuguese people|Portuguese]] (via the [[Azores]] and [[Madeira]] islands); her father's ancestry is [[Scottish people|Scottish]], [[Irish people|Irish]], [[French people|French]], [[German people|German]], and [[Dutch people|Dutch]].

McKellar and her sister [[Crystal McKellar]] both maintained professional acting careers as children, but with a strong emphasis on education as a priority.

As a result, Crystal became a corporate lawyer, while Danica majored in mathematics. Danica and Crystal also have two half-brothers, Chris Junior and Connor McKellar.{{Citation needed|date=July 2013}}

== Acting career ==
=== ''The Wonder Years'' and early acting career {{anchor|''The Wonder Years and Early Acting Career''}} ===
McKellar had a leading role in ''[[The Wonder Years]]'', an [[United States|American]] television [[comedy-drama]] that ran for six seasons on [[American Broadcasting Company|ABC]], from 1988 to 1993. She played Gwendolyn "Winnie" Cooper, the main love interest of Kevin Arnold (played by [[Fred Savage]]) on the show. Her first kiss was with Fred Savage in an episode of ''The Wonder Years''.<ref>[http://www.maxim.com/slideshow/girls-of-maxim/17784# "Danica McKellar"]. ''[[Maxim (magazine)|Maxim]]''. [http://www.maxim.com/girls-of-maxim/danica-mckellar February 1, 2010]. Retrieved July 19, 2013.</ref>

She later said, "My first kiss was a pretty nerve-wracking experience! But we never kissed off screen, and pretty quickly our feelings turned into brother/sister, and stayed that way."<ref name="comedy" /> Late-night talk show host [[Jimmy Fallon]] has said that the character of Winnie Cooper "is the coolest girl in any TV show ever."
<ref>{{cite web
| title = Jimmy Fallon Explains the Meaning Behind Baby Name Winnie (Hint: It’s Not About a Pooh)
| url = http://omg.yahoo.com/blogs/celeb-news/jimmy-fallon-explains-meaning-behind-baby-name-winnie-160650045.html
| accessdate = August 13, 2013
}} Yahoo OMG! article published online August 13, 2013. Quote: "'Nancy, my wife, and I got engaged in New Hampshire at this lake house that her family's had forever. It's on Lake Winnipesaukee.' . . . It didn’t hurt that one of the most famous Winnies in pop culture ― Winnie Cooper from ''The Wonder Years'' ― 'is the coolest girl in any TV show ever,' added the new dad."</ref>

=== Later career ===
McKellar has admitted the transition from "child actor to adult actor was a little bumpy."<ref name="comedy">[http://www.paramountcomedy.com/comedy/watn/article.aspx?id=39 Where are they now? – Winnie Cooper from The Wonder Years] {{Dead link|date=February 2013}}<!-- 404 --></ref> Since leaving ''The Wonder Years'', McKellar has had several guest roles in television series (including one with former co-star [[Fred Savage]] on ''[[Working (TV series)|Working]]''), and has written and directed two short films. She appeared in two [[Lifetime (TV network)|Lifetime]] [[television movie|TV movies]] in the ''[[Moment of Truth movies|Moment of Truth]]'' series, playing Kristin Guthrie in 1994's ''[[Moment of Truth: Cradle of Conspiracy|Cradle of Conspiracy]]'' and Annie Mills Carman in 1996's ''[[Justice for Annie: A Moment of Truth Movie|Justice for Annie]]''. She briefly returned to regular television with a recurring role in the 2002–03 season of ''[[The West Wing]],'' portraying Elsie Snuffin, the stepsister and assistant of Deputy White House Communications Director [[Will Bailey]].

McKellar appeared in [[lingerie]] in the July 2005 edition of ''[[Stuff (magazine)|Stuff]]'' magazine{{Dead link|date=July 2013}}<ref>[http://www.stuffmagazine.com/cover_girls/girl.aspx?id=468 "Danica McKellar pictures and bio"]. ''[[Stuff (magazine)|Stuff]]''. {{Dead link|date=July 2013}}</ref> after readers voted her the 1990s star they would most like to see in lingerie. McKellar explained that she agreed to the shoot in part to obtain "grittier roles".<ref name="comedy"/>

In June 2006, [[Lifetime Television]] announced that McKellar would star in a Lifetime movie and web-based series titled ''Inspector Mom'' about a mother who solves mysteries.<ref>{{cite web |url= http://www.zap2it.com/tv/news/zap-danicamckellar-lifetimewebisodes,0,5927531.story |title=Winnie Cooper Goes Digital:McKellar to star in movies, webisodes for Lifetime |accessdate=2007-07-26|last=|first=|authorlink=|coauthors= |date=2006-06-12| publisher= Zap2it}}</ref><ref>Cherkezian, Megan (November 17, 2006). [http://www.tvguide.com/news/Wonder-Years-Danica-38331.aspx "Wonder Years' Danica McKellar Fights Crime as ''Inspector Mom''"]. ''[[TV Guide]]''.</ref>

On the August 1, 2007, edition of the ''[[Don and Mike Show]]'', a [[WJFK-FM]] radio program out of Washington, D.C., McKellar announced plans that the producers of ''[[How I Met Your Mother]]'' were planning to bring her back for a recurring role (she guest-starred on the show in late 2005 in "[[The Pineapple Incident]]" and again in early 2007 in "[[Third Wheel]]"). She also made an appearance on the show ''[[The Big Bang Theory]]'', in the episode "The Psychic Vortex".<ref><!-- cite episode -->"The Psychic Vortex" episode, air date 2010-11-01</ref>

In 2008, she starred in ''[[Heatstroke (film)|Heatstroke]]'', a [[Syfy|Sci-Fi Channel]] original movie about searching for alien life on Earth and in 2009 she was one of the stars commenting on the occurrences of the new millennium in [[VH1]]'s ''I Love the New Millennium ''and was the math correspondent for ''[[Brink (television series)|Brink]]'', a program by the [[Science Channel]] about technology. In 2013, she played Ellen Plainview in Lifetime's reimagining of the 1956 Alfred Hitchcock film ''[[The Wrong Man]].''

McKellar has also found work as a [[voice actress]]. She is the voice of [[Miss Martian]] in ''[[Young Justice (TV series)|Young Justice]]''. She has also provided the voices for two characters in three video games: [[Jubilee (comics)|Jubilee]] in ''[[X-Men Legends]]'' (2004), and [[Invisible Woman]] in ''[[Marvel: Ultimate Alliance]]'' (2006) and ''[[Marvel: Ultimate Alliance 2]]'' (2009).{{Citation needed|date=March 2011}}

== Mathematics ==
McKellar studied mathematics at [[University of California, Los Angeles|UCLA]], graduating ''[[Latin honors|summa cum laude]]'' in 1998.<ref>{{cite journal |last = Frazier |first = Kendrick | title=Mickelson, McKellar tout science, math, and being smart |work=Skeptical Inquirer |volume=32 |issue=6 |page=12 |year=2008 }}</ref> 

As an undergraduate, she coauthored a [[academic publishing|scientific paper]]<ref>{{Cite journal | last1 = Chayes | first1 = L | last2 = McKellar | first2 = D | last3 = Winn | first3 = B | title = Percolation and Gibbs states multiplicity for ferromagnetic Ashkin-Teller models on <math>\mathbb{Z}^2</math> | journal = Journal of Physics A: Mathematical and General | volume = 31 | issue = 45 | pages = 9055–9063 | year = 1998 | doi = 10.1088/0305-4470/31/45/005 | url = http://www.danicamckellar.com/pdf/percolation.pdf | bibcode=1998JPhA...31.9055C}}</ref> with Professor Lincoln Chayes and fellow student Brandy Winn entitled "Percolation and Gibbs states multiplicity for ferromagnetic Ashkin-Teller models on <math>\mathbb{Z}^2</math>."<ref>{{Cite journal
| doi = 10.1088/0305-4470/31/45/005
| issn = 0305-4470
| volume = 31
| issue = 45
| pages = 9055
| last = Chayes
| first = L.
| coauthors = D. McKellar, B. Winn
| title = Percolation and Gibbs states multiplicity for ferromagnetic Ashkin-Teller models on z<sup>2</sup>
| journal = Journal of Physics A: Mathematical and General
| accessdate = 2013-07-05
| date = 1998-11-13
| url = http://iopscience.iop.org/0305-4470/31/45/005
|bibcode = 1998JPhA...31.9055C }}</ref> Their results are termed the 'Chayes–McKellar–Winn theorem'.<ref>{{cite web | archivedate = 2008-03-14 |archiveurl=http://web.archive.org/web/20080314141931/http://www.usnews.com/usnews/edu/college/student-center/flashback/flashback_090105_brief.php | url = http://www.usnews.com/usnews/edu/college/student-center/flashback/flashback_090105_brief.php |title=USNews.com: America's Best Colleges 2006: College Flashback: Danica McKellar |work = [[U.S.News & World Report]] |accessdate=2010-02-03 }}</ref><ref>[http://terrytao.wordpress.com/2007/08/20/math-doesnt-suck-and-the-chayes-mckellar-winn-theorem/ Blog post by mathematician ][[Terence Tao]], a former instructor of McKellar's, complimenting her book and explaining the theorem.</ref>

Referring to the mathematical abilities of his student coauthors, Chayes was quoted in ''[[The New York Times]]'' as saying, "I thought that the two were really, really first-rate."<ref>Kenneth Chang, [http://www.nytimes.com/2005/07/19/science/19math.html "Between Series, an Actress Became a Superstar (in Math)"], ''The New York Times,'' July 19, 2005.</ref> McKellar's [[Erdős number]] is four. She is one of the few people with an [[Erdős–Bacon number]], which combines an Erdős number with a Bacon Number (as in the game [[Six Degrees of Kevin Bacon]]) since she also has a Bacon number of 2, making her Erdős-Bacon number a 6.<ref>[http://www.usatoday.com/printedition/life/20070814/bl_cover14_side.art.htm "There's not much separating her from Bacon, Erdős"], [[USA Today]], August 14, 2007</ref>

== Books ==
McKellar has authored several mathematics-related books primarily targeting adolescent readers interested in succeeding at the study of mathematics:
* {{Cite book
| publisher = [[Plume (publisher)]]
| isbn = 9780452289499
| last = McKellar
| first = Danica
| coauthors = Mary Lynn Blasutta
| title = Math Doesn't Suck: How to Survive Middle School Math without Losing Your Mind or Breaking a Nail
| location = New York
| date = 2008
}}
* {{Cite book
| publisher = Plume
| isbn = 9780452295407
| last = McKellar
| first = Danica
| title = Kiss My Math: Showing Pre-Algebra Who's Boss
| location = New York
| date = 2009
}}
* {{Cite book
| publisher = Plume
| isbn = 9780452297197
| last = McKellar
| first = Danica
| title = Hot X: Algebra Exposed
| location = New York
| date = 2010
}}
* {{Cite book
| publisher = Hudson Street Press
| isbn = 9781594630941
| last = McKellar
| first = Danica
| title = Girls Get Curves: Geometry Takes Shape
| location = New York
| date = 2012
}}

Her first book, ''Math Doesn't Suck: How to Survive Middle-School Math without Losing Your Mind or Breaking a Nail'', was a ''New York Times'' bestseller,<ref name="nytimes.com"/> and was favorably reviewed by Tara C. Smith, the founder of Iowa Citizens for Science and a professor of epidemiology at the [[University of Iowa]].<ref>{{cite web|url=http://scienceblogs.com/aetiology/2007/07/danica_mckelllars_math_doesnt.php|title= Aetiology:Danica McKellar's "Math Doesn't Suck"|accessdate=2007-07-26|last=Smith|first=Tara|authorlink=|coauthors=|date=2007-07-24|work=Aetiology|publisher=[[ScienceBlogs]]}}</ref> The book also received a review from Anthony Jones, writing for the ''School Librarian'' journal, who described the book as "a trouble-shooting guide to help girls overcome their biggest maths challenges," noting what he described as "real-world examples of great mathematics in action."<ref>{{Cite journal
| issn = 00366595
| volume = 59
| issue = 1
| page = 62
| last = Jones
| first = Anthony Hamilton
| title = McKellar, Danica: Maths Doesn't Suck
| work = School Librarian
| accessdate = 2013-07-04
| date = 2011
| url = http://go.galegroup.com/ps/i.do?id=GALE%7CA252385687&v=2.1&u=melb26933&it=r&p=AONE&sw=w
}}</ref> In an interview with Smith, McKellar said that she wrote the book "to show girls that math is accessible and relevant, and even a little glamorous" and to counteract "damaging social messages telling young girls that math and science aren't for them".<ref>{{cite web |url=http://scienceblogs.com/aetiology/2007/07/interview_with_math_whiz_autho.php |title=Interview with math whiz, author, and actress Danica McKellar|accessdate=2007-07-26|last=Smith|first=Tara|authorlink=|coauthors=|date=2007-07-25|work=Aetiology |publisher=[[ScienceBlogs]]}}</ref>

McKellar's second book, ''Kiss My Math: Showing Pre-Algebra Who's Boss'',<ref>{{cite book | author = Danica McKellar | title = Kiss My Math: Showing Pre-Algebra Who's Boss | publisher = Hudson Street Press | year = 2008 | isbn = 978-1-59463-049-1 }}</ref> was released on August 5, 2008. The book's target audience is girls in the 7th through 9th grades. Her third book, ''Hot X: Algebra Exposed!''<ref>{{cite book | author = Danica McKellar | title = Hot X: Algebra Exposed | publisher = Hudson Street Press | year = 2010 | isbn = 978-1-59463-070-5 }}</ref> covers algebra topics, while the previous two titles were intended as "algebra-readiness books."<ref>{{Cite web
| title = Actress Danica McKellar Solves For 'X' : NPR
| work = National Public Radio
| date = 6 August 2010
| accessdate = 2013-07-04
| url = http://www.npr.org/templates/story/story.php?storyId=129031017
}}</ref> ''Hot X'' was published on August 3, 2010. Her fourth book, ''Girls Get Curves – Geometry Takes Shape'',<ref name="book-curves">{{cite book | author = Danica McKellar | title = Girls Get Curves – Geometry Takes Shape | publisher = Hudson Street Press | year = 2012 | isbn = 978-1-59463-094-1 | url= http://us.penguingroup.com/Book?isbn=9781594630941&title=Girls_Get_Curves_Danica_McKellar }}</ref> focuses on the subject of geometry, and attempts to make the subject more accessible.<ref>{{Cite interview
| title = Actress Danica McKellar Helps "Girls Get Curves"
| last = Lichtman
| first = Flora
| work = Science Friday
| publisher = National Public Radio
| accessdate = 2013-07-05
| date = 17 August 2012
| city = Washington, D.C.
| url = http://search.proquest.com.portal.lib.fit.edu/docview/1033783005
}}</ref>

Three of McKellar's books were listed in ''The New York Times'' children's bestseller list.<ref name="autogenerated1">{{Cite news | url=http://www.nytimes.com/best-sellers-books/2010-08-22/chapter-books/list.html | title=Children's Chapter Books | newspaper=The New York Times | date=August 22, 2010 | accessdate=August 23, 2012}}</ref><ref>{{cite news |url=http://www.nytimes.com/2008/09/28/books/bestseller/bestchildren.html|title=Best Sellers: Children's Books |accessdate=2009-05-10 | work=[[The New York Times]] | date=September 28, 2008}}</ref>

==Published papers==
* {{Cite journal | last1 = Chayes | first1 = L | last2 = McKellar | first2 = D | last3 = Winn | first3 = B | title = Percolation and Gibbs states multiplicity for ferromagnetic Ashkin-Teller models on <math>\mathbb{Z}^2</math> | journal = Journal of Physics A: Mathematical and General | volume = 31 | issue = 45 | pages = 9055–9063 | year = 1998 | doi = 10.1088/0305-4470/31/45/005 | url = http://www.danicamckellar.com/pdf/percolation.pdf | bibcode=1998JPhA...31.9055C}}

==Awards and honors==
McKellar was named ''Person of the Week'' on ''[[World News with Charles Gibson]]'' for the week ending August 10, 2007. The news segment highlighted her book ''Math Doesn't Suck'' and her efforts to help girls develop an interest in mathematics, especially during the middle school years.<ref>{{cite web|url=http://abcnews.go.com/WN/PersonOfWeek/story?id=3467211&page=1|title= ABC News: Person of the Week: Danica McKellar|accessdate=2007-08-10}}</ref>  In January 2014, she received the [[Joint Policy Board for Mathematics]] (JPBM) Communications Award.  The citation credited her books, blog, and public appearances for encouraging "countless middle and high school students, especially girls, to be more interested in mathematics."<ref>[[American Mathematical Society]], [http://www.ams.org/profession/prizes-awards/prizebooklet-2014.pdf January 2014 Prizes And Awards], p. 35,</ref>

== Personal life ==
She married composer Mike Verta on March 22, 2009, in [[La Jolla, California]]; the couple had dated since 2001.<ref>[http://www.people.com/people/article/0,,20267146,00.html Danica McKellar is Married!] ''People'', March 22, 2009</ref> They had their first child in 2010, a boy.<ref>[http://www.people.com/people/article/0,,20352225,00.html Danica McKellar is Pregnant!] ''People'', March 17, 2010</ref><ref>{{cite web|url=http://www.people.com/people/article/0,,20601873,00.html|title= Danica McKellar Files for Divorce|publisher=[[People (magazine)|People]]|date=2012-06-06|accessdate=2012-06-06}}</ref>  McKellar filed for divorce from Verta in June 2012,<ref>{{cite web|url=http://www.suntimes.com/entertainment/people/13034071-421/wonder-years-actress-danica-mckellar-files-for-divorce.html|title=‘Wonder Years’ actress Danica McKellar files for divorce|date=2012-06-12|publisher=suntimes.com|accessdate=9 June 2012}}</ref> with the dissolution becoming final in February 2013.{{fact|date=January 2014}}

== Filmography ==

===Film===
{| class="wikitable sortable"
|-
! Year
! Title
! Role
! class="unsortable" | Notes
|-
|1992
|''[[Sidekicks (1992 film)|Sidekicks]]''
|Lauren
|
|-
|2001
|''[[Good Neighbor]]''
|Molly Wright
|
|-
|2001
|''[[XCU: Extreme Close Up]]''
|Sarah
|
|-
|2001
|''Speechless...''
|Dana Woodman
|Short film
|-
|2002
|''Sex and the Teenage Mind''
|Debbie
|
|-
|2002
|''Black Hole''
|Rachael
|
|-
|2002
|''Reality School''
|Sexy Sally
|Short film
|-
|2002
|''[[Jane White Is Sick & Twisted]]''
|Tiffany
|
|-
|2002
|''{{sortname|The|Year That Trembled|nolink=1}}''
|Pam Hatch
|
|-
|2002
|''Hip, Edgy, Sexy, Cool''
|Sissie
|
|-
|2004
|''Raising Genius''
|Lacy Baldwin
|
|-
|2004
|''Intermission''
|Sleepwalker
|Short film
|-
|2004
|''[[Quiet Kill]]''
|Pet Shop Girl
|
|-
|2007
|''[[Hack!]]''
|Emily
|
|-
|2008
|''[[Heatstroke (film)|Heatstroke]]''
|Caroline
|
|-
|2009
|''[[21 and a Wake-Up]]''
|Jenny Valentine
|
|-
|2010
|''[[Scooby-Doo! Abracadabra-Doo]]''
|Madelyn Dinkley (voice)
|Video
|-
|2010
|''DC Showcase Original Shorts Collection''
|Sally (voice)
|Video
|-
|2012
|''Flatland 2: Sphereland''
|Aero
|Video
|-
|2012
|''Mancation''
|Rebecca
|
|-
|2013
|''The Wrong Woman''
|Ellen Plainview
|TV movie
|-
|2013
|''Love at the Christmas Table''
|Katherine "Kat" Patton
|TV movie
|}

===Television===
{| class="wikitable sortable"
|-
! Year
! Title
! Role
! class="unsortable" | Notes
|-
|1985
|''{{sortname|The|Twilight Zone|The Twilight Zone (1985 TV series)}}''
|Nola (age 10)
|Episode: "[[Her Pilgrim Soul]]"
|-
|1987
|''{{sortname|The|Twilight Zone|The Twilight Zone (1985 TV series)}}''
|Deidre Dobbs
|Episode: "[[Shelter Skelter]]"
|-
|1988–1993
|''{{sortname|The|Wonder Years}}''
|Winnie Cooper
|Main role (98 episodes)
|-
|1989
|''{{sortname|The|Super Mario Bros. Super Show!}}''
|Patty
|Episode: "Day of the Orphan/King Mario of Cramalot"
|-
|1990
|''[[Camp Cucamonga]]''
|Lindsey Scott
|TV film
|-
|1992
|''[[Captain Planet and the Planeteers]]''
|Lisa (voice)
|Episode: "A Formula for Hate"
|-
|1994
|''[[Babylon 5]]''
|Aria Tensus
|Episode: "The War Prayer"
|-
|1994
|''[[Moment of Truth: Cradle of Conspiracy]]''
|Kristin Guthrie
|TV film
|-
|1994
|''[[Walker, Texas Ranger]]''
|Laurie Maston
|Episode: "Stolen Lullaby"
|-
|1994
|''[[Sirens (TV series)|Sirens]]''
|Alison Trent
|Episode: "Victims"
|-
|1996
|''[[Justice for Annie: A Moment of Truth Movie]]''
|Annie Mills Carman
|TV film
|-
|1998
|''[[Love Boat: The Next Wave]]''
|Mary Dutton
|Episode: "How Long Has This Been Going On?"
|-
|1998
|''[[Working (TV series)|Working]]''
|Jolie
|Episode: "As Bad As It Gets"
|-
|1999
|''[[Working (TV series)|Working]]''
|Jolie
|Episode: "She Loves Me Yeah, Yeah, Yeah"
|-
|1999
|''Random Play''
|Daughter
|Episode: "1.4"
|-
|2000–2004
|''[[Static Shock]]''
|Freida Goren (voice)
|Recurring role (14 episodes)
|-
|2001
|''{{sortname|The|Division}}''
|Wendy
|Episode: "Don't Ask"
|-
|2001
|''[[Even Stevens]]''
|Sandrine
|Episode: "Sibling Rivalry"
|-
|2002
|''[[Justice League (TV series)|Justice League]]''
|Sapphire Stagg (voice)
|Episodes: "Metamorphosis: Parts 1 & 2"
|-
|2002–2003
|''{{sortname|The|West Wing}}''
|Elsie Snuffin
|(8 episodes)
|-
|2004
|''[[King of the Hill]]''
|Sharona / Misty (voice)
|Episodes: "My Hair Lady", "Cheer Factor"
|-
|2004
|''[[Game Over (TV series)|Game Over]]''
|Elsa / Renee
|TV series
|-
|2004
|''[[Century City (TV series)|Century City]]''
|Sally
|Episode: "Without a Tracer"
|-
|2004
|''[[Eve (TV series)|Eve]]''
|Claudia
|Episode: "Friend or Foe?"
|-
|2005
|''[[NCIS (TV series)|NCIS]]''
|Erin Kendall
|Episode: "Witness"
|-
|2005
|''[[Jack & Bobby]]''
|Keirsten
|Episode: "And Justice for All"
|-
|2005
|''[[NYPD Blue]]''
|Rosemary
|Episode: "Moving Day"
|-
|2005
|''[[Strong Medicine]]''
|Natalie Pascal
|Episode: "Feeling No Pain"
|-
|2005
|''[[Path of Destruction (film)|Path of Destruction]]''
|Katherine Stern
|TV film
|-
|2005
|''[[How I Met Your Mother]]''
|Trudy
|Episode: "[[The Pineapple Incident]]"
|-
|2006
|''Inspector Mom''
|Maddie Monroe
|TV film
|-
|2006
|''[[Cyberchase]]''
|Wanda (voice)
|Episode: "Designing Mr. Perfect"
|-
|2006–2007
|''[[Inspector Mom]]''
|Maddie Monroe
|Regular role (10 episodes)
|-
|2007
|''[[Random! Cartoons]]''
|Katerina 'Kat' Metropoulos (voice)
|Episode: "Girls on the Go!"
|-
|2007
|''[[How I Met Your Mother]]''
|Trudy
|Episode: "[[Third Wheel]]"
|-
|2010
|''{{sortname|The|Big Bang Theory}}''
|Abby
|Episode: "The Psychic Vortex"
|-
|2010
|''[[Generator Rex]]''
|Claire (voice)
|Epiosdes: "Hermanos", "Operation: Wingman"
|-
|2010–2013
|''[[Young Justice (TV series)|Young Justice]]''
|M'gann M'orzz  / [[Miss Martian]] (voice)
|Regular role (40 episodes)
|-
|2011
|''[[Generator Rex]]''
|Claire (voice)
|Episode: "Haunted"
|-
|2011
|''[[G.I. Joe: Renegades]]''
|Sister Leia / Woman (voice)
|Episode: "Brothers of Light"
|-
|2012
|''{{sortname|The|Nerdist: Tribute to Science|nolink=1}}''
|
|TV film
|-
|2012
|''Love at the Christmas Table''
|Kat
|TV film
|-
|2013
|''[[Tasmanian Devils (film)|Tasmanian Devils]]''
|Alex
|TV film
|-
|2013
|''{{sortname|The|Secret Life of the American Teenager}}''
|Danica McKellar
|Episode: "Interference"
|-
|2013
|''Nerdist: Course of the Force''
|Bounty Hunter
|Episode: "Michael Rooker & CM Punk: Lighstaber Hunt"
|}

===Video games===
{| class="wikitable sortable"
|-
! Year
! Title
! Role
! class="unsortable" | Notes
|-
|2004
|''[[X-Men Legends]]''
|[[Jubilee (comics)|Jubilee]]
|
|-
|2004
|''[[EverQuest II]]''
|Lolla Cotgrove / Pona
|
|-
|2006
|''[[Onimusha: Dawn of Dreams]]''
|Additional Voices
|
|-
|2006
|''[[Marvel: Ultimate Alliance]]''
|[[Invisible Woman]]
|
|-
|2009
|''[[Marvel: Ultimate Alliance 2]]''
|Invisible Woman
|
|-
|2013
|''[[Young Justice: Legacy]]''
|M'gann M'orzz / Miss Martian
|
|}

== Music videos ==
On August 20, 2013, Canadian singer [[Avril Lavigne]] released her music video for new single "[[Rock N Roll (Avril Lavigne song)|Rock N Roll]]" from her [[Avril Lavigne (album)|upcoming self-titled fifth album]], which features McKellar as 'Winnie Cooper'. The video is described to be "a weird but funny video" with scenes including a bearshark, lobster and one which shows Lavigne & McKellar kiss after a car crash. The single became available to buy on iTunes on August 27, 2013.

== References ==
{{Reflist|30em}}

== Further reading ==
* "The Wonder Kid" by Liz Belilovskaya, ''Brain World'' magazine, Volume 5, Number 1, Fall 2013, pages 42–45. Publisher: International Brain Education Association, New York City. Interview of Dania McKeller with a full-page color photo.

== External links ==
{{Commons|Danica McKellar}}
* [http://www.danicamckellar.com Official Website]
* [http://www.danicaworld.com Danica McKeller's blog]
* [http://mathdoesntsuck.com/ Official website] of her book, ''Math Doesn't Suck''
* [http://kissmymath.com/ Official website] of her book, ''Kiss My Math''
* {{IMDb name|0005211}}
* [http://www.npr.org/templates/story/story.php?storyId=5201825 Interview with McKellar about her theorem] at [[NPR]]
* [http://www.stanford.edu/group/IRWG/NewsAndEvents/Conferences.html February 2006 Proof and Prejudice: Women in Mathematics Conference], at which McKellar was a speaker
* [http://www.sciencefriday.com/pages/2007/Sep/hour2_092107.html Science Friday for September 21, 2007] with McKellar among the guests
* [http://www.publicschoolinsights.org/visionaries/DanicaMcKellar Public School Insights Interview with McKellar about girls and math]

{{Persondata
|NAME= McKellar, Danica
|ALTERNATIVE NAMES= McKellar, Danica Mae
|SHORT DESCRIPTION= actress, writer
|DATE OF BIRTH= January 3, 1975
|PLACE OF BIRTH= La Jolla, California, U.S.
|DATE OF DEATH=
|PLACE OF DEATH=
}}
{{DEFAULTSORT:McKellar, Danica}}
[[Category:1975 births]]
[[Category:21st-century mathematicians]]
[[Category:20th-century American actresses]]
[[Category:21st-century American actresses]]
[[Category:Actresses from Los Angeles, California]]
[[Category:Actresses from San Diego, California]]
[[Category:American child actresses]]
[[Category:American film actresses]]
[[Category:American film directors]]
[[Category:American mathematicians]]
[[Category:American people of Azorean descent]]
[[Category:American people of Dutch descent]]
[[Category:American people of French descent]]
[[Category:American people of German descent]]
[[Category:American people of Irish descent]]
[[Category:American people of Madeiran descent]]
[[Category:American people of Scottish descent]]
[[Category:American television actresses]]
[[Category:American television writers]]
[[Category:American voice actresses]]
[[Category:American women writers]]
[[Category:Women film directors]]
[[Category:Living people]]
[[Category:Mathematics writers]]
[[Category:University of California, Los Angeles alumni]]
[[Category:Women mathematicians]]
[[Category:Women television writers]]
[[Category:Film directors from California]]