
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

American Pie (1999)
as Michelle Flaherty

Solo Mio (2026)
as Meghan

American Pie 2 (2001)
as Michelle Flaherty

American Reunion (2012)
as Michelle Levenstein

American Wedding (2003)
as Michelle Flaherty

My Stepmother Is an Alien (1988)
as Jessie Mills

Date Movie (2006)
as Julia Jones

Kim Possible (2019)
as Dr. Ann Possible

Flora & Ulysses (2021)
as Phyllis

Boys and Girls (2000)
as Betty

More Business of Being Born (2011)
as Self [Part 2,3]

Farce of the Penguins (2006)
as Hottie Penguin (voz)

Love, Wedding, Marriage (2011)
as Courtney

Office Race (2023)
as Pat

American Pie: Revealed (2004)
as Self
Playboy Mansion Parties Uncensored (2001)
as Self

Dead Man on Campus (1998)
as Lucy

Beyond the City Limits (2001)
as Lexi

You Might Be the Killer (2019)
as Chuck

For My Daughter's Honor (1996)
as Kelly

Do You Take This Man (2017)
as Rachael

The Stranger Beside Me (1995)
as Dana

Abducted: The Mary Stauffer Story (2019)
as Mary Stauffer

Hayley Wagner, Star (1999)
as Jenna Jakes

How I Met The Robin (—)
as Lily Aldrin
A Case for Life (1996)
as Iris
Man of the House (2018)
as Jessie

American Pie: Beneath the Crust Vol. 2 (—)
as Self

Impure Thoughts (1986)
as Patty Stubbs
Dodie & Cheryl Get Hitched (—)
as Cheryl Crum





