- Known For
- Acting
- Born
- March 24, 1974
- Place of Birth
- Washington, District of Columbia, USA
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).
Filmography
movieSolo Mio
2026 · Meghan
tvDancing with the Stars Official Podcast
2025 · Self
movieOffice Race
2023 · Pat
tvDoogie Kamealoha, M.D.
2021 · Dawn
tvAdorableness
2021 · Self
movieFlora & Ulysses
2021 · Phyllis
tvOutrageous Pumpkins
2020 · Self - Host
tvGirl Scout Cookie Championship
2020 · Self - Host
tvOutmatched
2020 · Beth
movieAbducted: The Mary Stauffer Story
2019 · Mary Stauffer
tvThe Kelly Clarkson Show
2019 · Self
movieYou Might Be the Killer
2019 · Chuck
tvFancy Nancy: Fancy It Yourself
2019 · Nancy
movieKim Possible
2019 · Dr. Ann Possible
tvFancy Nancy
2018 · Claire Clancy (voice)
Man of the House
movieMan of the House
2018 · Jessie
movieDo You Take This Man
2017 · Rachael
tvThe Gong Show
2017 · Self - Judge
tvStar Plates
2016
tvThe $100,000 Pyramid
2016 · Self
tvBeat Bobby Flay
2013 · Self
tvHollywood Game Night
2013 · Self
tvSofia the First
2013 · (voice)
movieAmerican Reunion
2012 · Michelle Levenstein
movieMore Business of Being Born
2011 · Self [Part 2,3]
movieLove, Wedding, Marriage
2011 · Courtney
tvPenn & Teller: Fool Us
2011 · Self - Host, Producer
tvWatch What Happens Live with Andy Cohen
2009 · Self - Guest
tvThe Goode Family
2009
tvThe Bonnie Hunt Show
2008 · Self
tvBuffy the Animated Series
2008 · Willow Rosenberg
movieFarce of the Penguins
2006 · Hottie Penguin (voice)
tvThe Megan Mullally Show
2006 · Self - Guest
tvI Love the '70s: Volume 2
2006 · Self
movieDate Movie
2006 · Julia Jones
tvThe Reichen Show
2005 · Self
tvHow I Met Your Mother
2005 · Lily Aldrin
tvDancing with the Stars
2005 · Self - Contestant, Self - Audience Member, Self - Rehearsal Visitor
tvRobot Chicken
2005 · Steelheart (voice)
tvAmerican Dad!
2005 · Lexie (voice), Ugly Stepsister #2 (voice), Chelsea (voice)
tvVeronica Mars
2004 · Trina Echolls
movieAmerican Pie: Revealed
2004 · Self, Thanks
tvThe Ellen DeGeneres Show
2003 · Self
movieAmerican Wedding
2003 · Michelle Flaherty
Pepsi Smash
tvPepsi Smash
2003 · Self - Host
tvJimmy Kimmel Live!
2003 · Self, Self - Guest
movieBeyond the City Limits
2001 · Lexi
movieAmerican Pie 2
2001 · Michelle Flaherty
Playboy Mansion Parties Uncensored
moviePlayboy Mansion Parties Uncensored
2001 · Self
movieBoys and Girls
2000 · Betty
tv100 Deeds for Eddie McDowd
1999
tvAngel
1999 · Willow Rosenberg
movieHayley Wagner, Star
1999 · Jenna Jakes
tvTeen Choice Awards
1999 · Self
movieAmerican Pie
1999 · Michelle Flaherty
tvThe Late Late Show with Craig Kilborn
1999 · Self - Guest
tvThe Wild Thornberrys
1998 · Gerda (voice)
tvThat '70s Show
1998 · Suzy Simpson
movieDead Man on Campus
1998 · Lucy
tvBuffy the Vampire Slayer
1997 · Willow Rosenberg
tvKing of the Hill
1997 · Stacey Gibson (voice)
movieFor My Daughter's Honor
1996 · Kelly
tvThe Daily Show
1996 · Self - Guest
A Case for Life
movieA Case for Life
1996 · Iris
movieThe Stranger Beside Me
1995 · Dana
tvTouched by an Angel
1994 · Cassie Peters
tvLate Night with Conan O'Brien
1993 · Self - Guest
tvLate Show with David Letterman
1993 · Self - Guest, Self - Top Ten Presenter
tvPicket Fences
1992 · Peggy Patterson
tvMTV Movie & TV Awards
1992 · Self - Presenter
tvThe Tonight Show with Jay Leno
1992
tvThe Torkelsons
1991 · Samantha
tvRugrats
1991 · Cynthia P.I. (voice)
tvThe Simpsons
1989 · Melody Juniper (voice)
tvFree Spirit
1989 · Jessie Harper
movieMy Stepmother Is an Alien
1988 · Jessie Mills
tvRoseanne
1988
movieImpure Thoughts
1986 · Patty Stubbs
tvEntertainment Tonight
1981 · Self
Dodie & Cheryl Get Hitched
movieDodie & Cheryl Get Hitched
— · Cheryl Crum
movieAmerican Pie: Beneath the Crust Vol. 2
— · Self
movieHow I Met The Robin
— · Lily Aldrin