Person
Alyson Hannigan
Acting · Born 1974-03-24 · Washington, District of Columbia, USA
Biography
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).
Known for
Watch What Happens Live with Andy Cohen
Self - Guest
The Simpsons
Melody Juniper (voice)
The Daily Show
Self - Guest
Late Show with David Letterman
Self - Guest
King of the Hill
Stacey Gibson (voice)
American Dad!
Lexie (voice)
Rugrats
Cynthia P.I. (voice)
The Kelly Clarkson Show
Self
How I Met Your Mother
Lily Aldrin
Jimmy Kimmel Live!
Self - Guest
Filmography
- 2026Solo MioMeghan
- 2025Dancing with the Stars Official PodcastSelf
- 2023Office RacePat
- 2021Doogie Kamealoha, M.D.Dawn
- 2021AdorablenessSelf
- 2021Flora & UlyssesPhyllis
- 2020Outrageous PumpkinsSelf - Host
- 2020Girl Scout Cookie ChampionshipSelf - Host
- 2020OutmatchedBeth
- 2019Abducted: The Mary Stauffer StoryMary Stauffer
- 2019The Kelly Clarkson ShowSelf
- 2019You Might Be the KillerChuck
- 2019Fancy Nancy: Fancy It YourselfNancy
- 2019Kim PossibleDr. Ann Possible
- 2018Fancy NancyClaire Clancy (voice)
- 2018Man of the HouseJessie
- 2017Do You Take This ManRachael
- 2017The Gong ShowSelf - Judge
- 2016Star Plates
- 2016The $100,000 PyramidSelf
- 2013Beat Bobby FlaySelf
- 2013Hollywood Game NightSelf
- 2013Sofia the First(voice)
- 2012American ReunionMichelle Levenstein
- 2011More Business of Being BornSelf [Part 2,3]
- 2011Love, Wedding, MarriageCourtney
- 2011Penn & Teller: Fool UsSelf - Host
- 2009Watch What Happens Live with Andy CohenSelf - Guest
- 2009The Goode Family
- 2008The Bonnie Hunt ShowSelf
- 2008Buffy the Animated SeriesWillow Rosenberg
- 2006Farce of the PenguinsHottie Penguin (voice)
- 2006The Megan Mullally ShowSelf - Guest
- 2006I Love the '70s: Volume 2Self
- 2006Date MovieJulia Jones
- 2005The Reichen ShowSelf
- 2005How I Met Your MotherLily Aldrin
- 2005Dancing with the StarsSelf - Contestant
- 2005Robot ChickenSteelheart (voice)
- 2005American Dad!Lexie (voice)
- 2004Veronica MarsTrina Echolls
- 2004American Pie: RevealedSelf
- 2003The Ellen DeGeneres ShowSelf
- 2003American WeddingMichelle Flaherty
- 2003Pepsi SmashSelf - Host
- 2003Jimmy Kimmel Live!Self - Guest
- 2001Beyond the City LimitsLexi
- 2001American Pie 2Michelle Flaherty
- 2001Playboy Mansion Parties UncensoredSelf
- 2000Boys and GirlsBetty
- 1999100 Deeds for Eddie McDowd
- 1999AngelWillow Rosenberg
- 1999Hayley Wagner, StarJenna Jakes
- 1999Teen Choice AwardsSelf
- 1999American PieMichelle Flaherty
- 1999The Late Late Show with Craig KilbornSelf - Guest
- 1998The Wild ThornberrysGerda (voice)
- 1998That '70s ShowSuzy Simpson
- 1998Dead Man on CampusLucy
- 1997Buffy the Vampire SlayerWillow Rosenberg
- 1997King of the HillStacey Gibson (voice)
- 1996For My Daughter's HonorKelly
- 1996The Daily ShowSelf - Guest
- 1996A Case for LifeIris
- 1996TFI Friday
- 1995The Stranger Beside MeDana
- 1994Touched by an AngelCassie Peters
- 1993Late Night with Conan O'BrienSelf - Guest
- 1993Late Show with David LettermanSelf - Guest
- 1992Picket FencesPeggy Patterson
- 1992MTV Movie & TV AwardsSelf - Presenter
- 1992The Tonight Show with Jay Leno
- 1991The TorkelsonsSamantha
- 1991RugratsCynthia P.I. (voice)
- 1989The SimpsonsMelody Juniper (voice)
- 1989Free SpiritJessie Harper
- 1988My Stepmother Is an AlienJessie Mills
- 1988Roseanne
- 1986Impure ThoughtsPatty Stubbs
- 1981Entertainment TonightSelf
- —Dodie & Cheryl Get HitchedCheryl Crum
- —American Pie: Beneath the Crust Vol. 2Self
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