Alyson Hannigan
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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
Credits
Solo Mio (2026)
as Meghan
American Pie (1999)
as Michelle Flaherty
American Reunion (2012)
as Michelle Levenstein
American Pie 2 (2001)
as Michelle Flaherty
American Wedding (2003)
as Michelle Flaherty
Date Movie (2006)
as Julia Jones
My Stepmother Is an Alien (1988)
as Jessie Mills
Love, Wedding, Marriage (2011)
as Courtney
For My Daughter's Honor (1996)
as Kelly
Flora & Ulysses (2021)
as Phyllis
Kim Possible (2019)
as Dr. Ann Possible
Playboy Mansion Parties Uncensored (2001)
as Self
Dead Man on Campus (1998)
as Lucy
American Pie: Revealed (2004)
as Self
Boys and Girls (2000)
as Betty
Impure Thoughts (1986)
as Patty Stubbs
You Might Be the Killer (2019)
as Chuck
Man of the House (2018)
as Jessie
Office Race (2023)
as Pat
Abducted: The Mary Stauffer Story (2019)
as Mary Stauffer
Beyond the City Limits (2001)
as Lexi
Farce of the Penguins (2006)
as Hottie Penguin (voice)
Do You Take This Man (2017)
as Rachael
Dodie & Cheryl Get Hitched (—)
as Cheryl Crum
More Business of Being Born (2011)
as Self [Part 2,3]
The Stranger Beside Me (1995)
as Dana
A Case for Life (1996)
as Iris
American Pie: Beneath the Crust Vol. 2 (—)
as Self
Hayley Wagner, Star (1999)
as Jenna Jakes