Danica Mae McKellar (born January 3, 1975) is an American actress, author, and education advocate. She is best known for her role as Winnie Cooper in the television show The Wonder Years, and later as author of the three The New York Times bestsellers, Math Doesn't Suck, Kiss My Math, and Hot X: Algebra Exposed, which encourage middle-school girls to have confidence and succeed in mathematics.
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Known for The Big Bang Theory 2007 How I Met Your Mother 2005 Futurama 1999 NCIS 2003 ★ 6.1 A Cinderella Christmas Ball 2024
Chelsea Jones ★ 7.4 Swing Into Romance 2023
Christine Sims ★ 5.8 A Royal Date for Christmas 2023
Bella Sparks ★ 6.8 The Winter Palace 2022
Emily Miller ★ 5.8 Christmas at the Drive-In 2022
Sadie Walker ★ 6.6 You, Me and the Christmas Trees 2021
Olivia Arden ★ 6.7 MatchMaker Mysteries: The Art of the Kill 2021
Angie Dove Series ★ 6.6 Home Economics 2021
Allison ★ 7.8 MatchMaker Mysteries: A Fatal Romance 2020
Angie Dove ★ 6.1 Christmas She Wrote 2020
Kaleigh ★ 7.1 Love and Sunshine 2019
Ally Craig ★ 6.7 Christmas at Dollywood 2019
Rachel Lewis ★ 6.8 MatchMaker Mysteries: A Killer Engagement 2019
Angie Dove ★ 6.1 LEGO DC Super Hero Girls: Super-Villain High 2018
Frost ★ 5.8 DC Super Hero Girls: Legends of Atlantis 2018
Frost (voice) ★ 6.4 Very, Very, Valentine 2018
Helen ★ 6.7 Love in Design 2018
Hannah McElroy ★ 6.4 Christmas at Grand Valley 2018
Kelly Series ★ 6.7 American Idol 2018
Self - Guest ★ 5.7 Mommy I Didn't Do It 2017
Ellen Plainview ★ 7.7 The Jetsons & WWE: Robo-WrestleMania 2017
Judy Jetson (voice) ★ 6.5 Campfire Kiss 2017
Dana ★ 6.6 Coming Home for Christmas 2017
Lizzie Richfield ★ 5.6 DC Super Hero Girls: Intergalactic Games 2017
Frost (voice) ★ 5.9 DC Super Hero Girls: Hero of the Year 2016
Frost (voice) ★ 6.1 Wedding Bells 2016
Molly Quinn ★ 5.8 My Christmas Dream 2016
Christina Series ★ 7.4 Milo Murphy's Law 2016
Veronica (voice) ★ 5.9 Perfect Match 2015
Jessica ★ 6.9 Crown for Christmas 2015
Allie Foster Series ★ 7.4 Project Mc² 2015
The Quail ★ 7.8 Where Hope Grows 2014
Susan Malcolm Series ★ 5.8 The Tonight Show Starring Jimmy Fallon 2014
Self ★ 4.8 Tasmanian Devils 2013
Alex ★ 5.5 The Wrong Woman 2013
Ellen Plainview ★ 5.8 Love at the Christmas Table 2012
Kat Series ★ 8 Impractical Jokers 2011
Self ★ 7 Superman/Shazam!: The Return of Black Adam 2010
Sally (voice) ★ 7.7 Scooby-Doo! Abracadabra-Doo 2010
Madelyn Dinkley (voice) ★ 7 DC Showcase Original Shorts Collection 2010
Sally (segment "The Return of Black Adam") (voice) Series ★ 8.4 Young Justice 2010
M'gaan M'orzz / Megan Morse / Miss Martian (voice) ★ 3 Heatstroke 2008
Caroline Series ★ 6.8 The Secret Life of the American Teenager 2008
Danica McKellar ★ 4.5 Hack! 2007
Emily Longley Series ★ 7.9 The Big Bang Theory 2007
Abby Series ★ 8.1 How I Met Your Mother 2005
Trudy Series ★ 6.1 Dancing with the Stars 2005
Self - Contestant Series ★ 7.6 NCIS 2003
Erin Kendall Series ★ 7.4 Lilo & Stitch: The Series 2003
(voice) ★ 5.8 Sex and the Teenage Mind 2002
Debbie Series ★ 7.7 Cyberchase 2002
Wanda (voice) Series ★ 8.2 Justice League 2001
Sapphire Stagg (voice) Series ★ 8.2 The Weekenders 2000
Series ★ 8 Static Shock 2000
Frieda (voice) Series ★ 7 Even Stevens 2000
Sandrine Series ★ 8.3 The West Wing 1999
Elsie Snuffin Series ★ 8.4 Futurama 1999
Dancia McKellar's Head (voice) Series ★ 7.4 King of the Hill 1997
Misty (voice) Series ★ 6.6 101 Dalmatians Series 1997
Series ★ 6.7 The Jamie Foxx Show 1996
Series ★ 8 Babylon 5 1994
Aria Tensus Series ★ 7 Walker, Texas Ranger 1993
Laurie Maston ★ 5.3 Sidekicks 1992
Lauren ★ 4.8 Camp Cucamonga 1990
Lindsey Scott Series ★ 6.9 Captain Planet and the Planeteers 1990
Lisa Series ★ 7.1 The Super Mario Bros. Super Show! 1989
Series ★ 8.3 The Wonder Years 1988
Gwendolyn 'Winnie' Cooper Series ★ 7.7 The Twilight Zone 1985
Nola (Age 10) (segment "Her Pilgrim Soul") 
