Alyson Hannigan
Actor

Alyson Hannigan

Alyson Hannigan is credited on 20 movies and 20 TV shows, best known by TMDB votes for The Simpsons, American Pie and How I Met Your Mother.

Born March 24, 1974 in Washington, District of Columbia, USA.

Filmography · 40 titles

US streaming apps shown for the 12 best-known titles, checked October 5, 2026. Tap any title for where it streams and what it costs.

About 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...

Biography from TMDB, written by its community.

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