
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).
- Known ForActing
- Born24 March 1974 (age 51)
- Place of BirthWashington, District of Columbia, USA
Alyson Hannigan

- Known ForActing
- Born24 March 1974 (age 51)
- Place of BirthWashington, District of Columbia, USA
KNOWN FOR
PHOTOS
CREDITS

Solo Mio
2026

Office Race
2023

Flora & Ulysses
2021

Kim Possible
2019

You Might Be the Killer
2019

Abducted: The Mary Stauffer Story
2019

Do You Take This Man
2017

American Reunion
2012

Love, Wedding, Marriage
2011

More Business of Being Born
2011

Date Movie
2006

Farce of the Penguins
2006

American Pie: Revealed
2004

Buffy the Vampire Slayer: The Animated Series
2004

American Wedding
2003

American Pie 2
2001

Beyond the City Limits
2001
Playboy Mansion Parties Uncensored
2001

Boys and Girls
2000

American Pie
1999

Hayley Wagner, Star
1999

Dead Man on Campus
1998

For My Daughter's Honor
1996
A Case for Life
1996

The Stranger Beside Me
1995

My Stepmother Is an Alien
1988
