
Actor
Alyson Hannigan
Born 1974 · Washington, District of Columbia, USA
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).
Acting

The Simpsons
Melody Juniper (voice) · 1989

How I Met Your Mother
Lily Aldrin · 2005

Buffy the Vampire Slayer
Willow Rosenberg · 1997

American Pie
Michelle Flaherty · 1999

That '70s Show
Suzy Simpson · 1998

American Dad!
Lexie (voice) · 2005

Angel
Willow Rosenberg · 1999

American Pie 2
Michelle Flaherty · 2001

American Reunion
Michelle Levenstein · 2012

American Wedding
Michelle Flaherty · 2003

Veronica Mars
Trina Echolls · 2004

Rugrats
Cynthia P.I. (voice) · 1991

Robot Chicken
Steelheart (voice) · 2005

King of the Hill
Stacey Gibson (voice) · 1997

Sofia the First
(voice) · 2013

Doogie Kamealoha, M.D.
Dawn · 2021

The Daily Show
Self - Guest · 1996

The Wild Thornberrys
Gerda (voice) · 1998

Touched by an Angel
Cassie Peters · 1994

Late Night with Conan O'Brien
Self - Guest · 1993

My Stepmother Is an Alien
Jessie Mills · 1988

Flora & Ulysses
Phyllis · 2021

Boys and Girls
Betty · 2000

Solo Mio
Meghan · 2026