Alyson Hannigan
Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She is best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer (1997–2003), as Lily Aldrin in the sitcom How I Met Your Mother (2005–2014) for which she won a People's Choice Award in 2009, and as Michelle Flaherty in the American Pie film series (1999–2012). Since 2016, Hannigan has hosted the television show Penn & Teller: Fool Us. She also provides the voice of Claire Clancy in the Disney Junior animated series Fancy Nancy (2018–present).
American Pie
(Michelle Flaherty)
Dodie & Cheryl Get Hitched
(Cheryl Crum)
Date Movie
(Julia Jones)
American Pie 2
(Michelle Flaherty)
American Wedding
(Michelle Flaherty)
My Stepmother Is an Alien
(Jessie Mills)
Beyond the City Limits
(Lexi)
Dead Man on Campus
(Lucy)
American Reunion
(Michelle Flaherty-Levenstein)
Love, Wedding, Marriage
(Courtney)
For My Daughter's Honor
(Kelly)
The Stranger Beside Me
(Dana)
Office Race
(Pat)
Impure Thoughts
(Patty Stubbs (as Allison Hannigan))
Switched at Birth
(Gina Twigg, Age 13–16)
Hayley Wagner, Star
(Jenna Jakes)
Do You Take This Man
(Rachael)
More Business of Being Born
(Self [Part 2,3])
Boys and Girls
(Betty)
A Case for Life
(Iris)
Farce of the Penguins
(Hottie Penguin (voice))
Playboy Mansion Parties Uncensored
(Self)
Kim Possible
(Dr. Ann Possible)
You Might Be the Killer
(Chuck)
Flora & Ulysses
(Phyllis)
Switched at Birth
(Gina Twigg, Age 13-16)
American Pie: Revealed
(Self)
Abducted: The Mary Stauffer Story
(Mary Stauffer)
Solo Mio
That '70s Show
(Suzy Simpson)
Buffy the Vampire Slayer
(Willow Rosenberg)
The Simpsons
(Melody Juniper (voice))
The Ellen DeGeneres Show
(Self)
Veronica Mars
(Trina Echolls)
How I Met Your Mother
(Lily Aldrin)
The Daily Show
(Self)
Touched by an Angel
(Cassie Peters)
The Torkelsons
(Samantha)
The Wild Thornberrys
(Gerda (voice))
Angel
(Willow Rosenberg)
Roseanne
The Tonight Show with Jay Leno
Buffy the Animated Series
(Willow Rosenberg)
Late Night with Conan O'Brien
(Self - Guest)
Free Spirit
(Jessie Harper)
100 Deeds for Eddie McDowd
The Goode Family
I Love the '70s: Volume 2
(Self)
The Late Late Show with Craig Kilborn
(Self - Guest)
Adorableness
(Self)
Doogie Kamealoha, M.D.
(Dawn)
The Bonnie Hunt Show
American Dad!
(Lexie (voice))
American Dad!
(Ugly Stepsister #2 (voice))
Star Plates
Penn & Teller: Fool Us
(Self - Host)
MTV Movie & TV Awards
(Self - Presenter)
Dancing with the Stars
(Self - Contestant)
Rugrats
(Cynthia P.I. (voice))
The Kelly Clarkson Show
Fancy Nancy
(Claire Clancy (voice))
Fancy Nancy (Duplicated)
(Claire Clancy (voice))
The Reichen Show
(Self)
Teen Choice Awards
(Self - Presenter)
The Gong Show
(Self - Judge)
Sofia the First
((voice))
Entertainment Tonight
(Self)
The $100,000 Pyramid
(Self)
King of the Hill
(Stacey Gibson (voice))
American Dad!
(Chelsea (voice))
Girl Scout Cookie Championship
(Self - Host)
Watch What Happens Live with Andy Cohen
(Self - Guest)
Hollywood Game Night
(Self)
Outmatched
(Beth)
Outrageous Pumpkins
(Self - Host)
Fancy Nancy: Fancy It Yourself
(Nancy)
Beat Bobby Flay
(Self)
The Megan Mullally Show
(Self - Guest)