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).

Cast

American Pie

Michelle Flaherty

Dodie & Cheryl Get Hitched

Cheryl Crum

Date Movie

Julia Jones

American Pie 2

Michelle Flaherty

American Wedding

Michelle Flaherty

My Stepmother Is an Alien

Jessie Mills

Beyond the City Limits

Lexi

Dead Man on Campus

Lucy

American Reunion

Michelle Levenstein

Love, Wedding, Marriage

Courtney

For My Daughter's Honor

Kelly

The Stranger Beside Me

Dana

Office Race

Pat

Impure Thoughts

Patty Stubbs (as Allison Hannigan)

Hayley Wagner, Star

Jenna Jakes

Do You Take This Man

Rachael

More Business of Being Born

Self [Part 2,3]

Boys and Girls

Betty

A Case for Life

Iris

Farce of the Penguins

Hottie Penguin (voz)

Playboy Mansion Parties Uncensored

Self

Kim Possible

Dr. Ann Possible

You Might Be the Killer

Chuck

Flora & Ulysses

Phyllis

American Pie: Revealed

Self

Abducted: The Mary Stauffer Story

Mary Stauffer

Solo Mio

Meghan

American Pie: Beneath the Crust Vol. 2

Self

Buffy the Vampire Slayer: The Animated Series

Willow Rosenberg