Danica McKellar
Known for: Acting
Danica McKellar is an American actress, mathematician, author, and mathematics education advocate. She is best known for playing Winnie Cooper on the television series The Wonder Years and has also appeared in The West Wing, How I Met Your Mother, The Big Bang Theory, and numerous television films. McKellar graduated summa cum laude from UCLA with a degree in mathematics and co-authored mathematical research that led to the Chayes-McKellar-Winn theorem. She is also a New York Times bestselling author of mathematics books for children and young adults and has worked extensively to encourage young people, particularly girls, to develop confidence in mathematics.
Filmography
Series
The Tonight Show Starring Jimmy Fallon
Self
2014
Series
NCIS
Erin Kendall
2003
Series
The West Wing
Elsie Snuffin
1999
Series
King of the Hill
Misty (voice)
1997
Series
King of the Hill
Sharona (voice)
1997
Series
How I Met Your Mother
Trudy
2005
Series
Dancing with the Stars
Self - Contestant
2005
Series
Futurama
Dancia McKellar's Head (voice)
1999
Series
Young Justice
M'gaan M'orzz / Megan Morse / Miss Martian (voice)
2010
Series
Young Justice
Marie Logan / Megan Wheeler (voice)
2010
Series
Young Justice
Tuppence Terror / Megan Wheeler (voice)
2010
Series
Young Justice
Back-up Singer (voice)
2010
Series
Young Justice
Angel O'Day (voice)
2010
Series
Young Justice
Moira Malone (voice)
2010
Series
Babylon 5
Aria Tensus
1994
Series
Strong Medicine
Natalie Pascal
2000
Series
G.I. Joe: Renegades
Sister Leia/Woman
2010
Series
The Wonder Years
Gwendolyn 'Winnie' Cooper
1988
Series
The Big Bang Theory
Abby
2007
Series
The Division
Wendy
2001
Series
The Twilight Zone
Nola (Age 10) (segment "Her Pilgrim Soul")
1985
Series
The Twilight Zone
Deidre Dobbs (segment "Shelter Skelter")
1985
Series
The Secret Life of the American Teenager
Danica McKellar
2008
Series
Lilo & Stitch: The Series
(voice)
2003
Series
Walker, Texas Ranger
Laurie Maston
1993
Series
Impractical Jokers
Self
2011
Series
101 Dalmatians: The Series
1997
Series
American Idol
Self - Guest
2018
Series
The Jamie Foxx Show
1996
Series
Captain Planet and the Planeteers
Lisa
1990
Series
Static Shock
Frieda (voice)
2000
Series
Milo Murphy's Law
Veronica (voice)
2016
Series
Cyberchase
Wanda (voice)
2002
Series
Even Stevens
Sandrine
2000
Series
Home Economics
Allison
2021
Series
The Super Mario Bros. Super Show!
1989
Series
Justice League
Sapphire Stagg (voice)
2001
Series
Justice League
Sapphire Stagg / Bystander (voice)
2001
Series
Eve
Claudia
2003
Series
Random! Cartoons
Katerina Metropoulos (voice)
2008
Series
Working
Jolie
1997
Series
The Weekenders
2000
Series
Century City
Sally
2004
Series
Free Radio
Self
2008
Series
Game Over
Elsa (voice)
2004
Film
Where Hope Grows
Susan Malcolm
2014
Series
Project Mc²
The Quail
2015
Film
Scooby-Doo! Abracadabra-Doo
Madelyn Dinkley (voice)
2010
Film
Superman/Shazam!: The Return of Black Adam
Sally (voice)
2010
Film
Crown for Christmas
Allie Foster
2015
Film
DC Super Hero Girls: Hero of the Year
Frost (voice)
2016
Film
Sidekicks
Lauren
1992
Film
The Jetsons & WWE: Robo-WrestleMania
Judy Jetson (voice)
2017
Film
DC Super Hero Girls: Legends of Atlantis
Frost (voice)
2018
Film
DC Super Hero Girls: Intergalactic Games
Frost (voice)
2017
Series
Home Town: Ben's Workshop
Danica McKellar
2021
Film
Flatland²: Sphereland
Aero (voice)
2012
Film
DC Showcase Original Shorts Collection
Sally (segment "The Return of Black Adam") (voice)
2010
Film
Mommy I Didn't Do It
Ellen Plainview
2017
Film
LEGO DC Super Hero Girls: Super-Villain High
Frost
2018
Film
Love at the Christmas Table
Kat
2012
Film
Tasmanian Devils
Alex
2013
Film
Christmas at Grand Valley
Kelly
2018
Film
A Royal Date for Christmas
Bella Sparks
2023
Film
Christmas She Wrote
Kaleigh
2020
Film
Sex and the Teenage Mind
Debbie
2002
Film
Love and Sunshine
Ally Craig
2019
Film
Dolly: An NBC News Special
Self
2026
Film
Christmas at the Drive-In
Sadie Walker
2022
Film
Have We Met This Christmas?
Katie Stone
2025
Film
Swing Into Romance
Christine Sims
2023
Film
MatchMaker Mysteries: A Killer Engagement
Angie Dove
2019
Film
A Cinderella Christmas Ball
Chelsea Jones
2024
Film
Coming Home for Christmas
Lizzie Richfield
2017
Film
You, Me and the Christmas Trees
Olivia Arden
2021
Film
Inspector Mom
Maddie Monroe
2006
Film
The Wrong Woman
Ellen Plainview
2013
Film
MatchMaker Mysteries: The Art of the Kill
Angie Dove
2021
Film
Camp Cucamonga
Lindsey Scott
1990
Brink
2008
Film
Intermission
Sleepwalker
2004
Film
Christmas at Dollywood
Rachel Lewis
2019
Film
My Christmas Dream
Christina
2016
Film
Perfect Match
Jessica
2015
Film
Love in Design
Hannah McElroy
2018
Film
Jane White Is Sick & Twisted
Tiffany
2002
Film
Campfire Kiss
Dana
2017
Film
Moment of Truth: Cradle of Conspiracy
Kristin Guthrie
1994
Film
21 and a Wake-Up
Jenny Valentine
2009
Film
Bongee Bear and the Kingdom of Rhythm
Brittany (voice)
2019
Film
MatchMaker Mysteries: A Fatal Romance
Angie Dove
2020
Film
The Winter Palace
Emily Miller
2022
Film
Justice for Annie
Annie Mills Carman
1996
Film
The Year That Trembled
Pam Hatch
2002
Film
Very, Very, Valentine
Helen
2018
Film
Path of Destruction
Katherine Stern
2005
Film
Quiet Kill
Pet Shop Girl
2004
Film
Grounded in Love
Annie
2025
Film
Hack!
Emily Longley
2007
Film
XCU: Extreme Close Up
Sarah
2001
Film
Raising Genius
Lacy Baldwin
2004
Film
Wedding Bells
Molly Quinn
2016
Film
The Palindromists
Self
2021
Speechless...
Dana Woodman
2001
Film
Naked Movie
Self
2008
Film
Heatstroke
Caroline
2008
Film
Good Neighbor
Molly Wright
2001
Film
The Library That Dolly Built
Narrator
2020
Film
2020 Hallmark Movies & Mysteries Preview Special
Self
2020
Film
Mancation
Rebecca
2012
Film
Inspector Mom: Kidnapped in Ten Easy Steps
Maddie Monroe
2007
Inspector Mom - Mother Goose Murder
Maddie Monroe
2007
Reality School
Sexy Sally
2002
The Greatest Christmas Gift
Emma Harper
2026
The Christmas Yes List
Chloe Hollis
2026