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).

Alyson Hannigan's screen work to date leans strongly toward Comedy and Romance, a consistent thread across her credits so far.

Alyson Hannigan's most notable role to date came in American Pie (1999), where she played Michelle Flaherty. She also appeared in How I Met Your Mother (2005) as Lily Aldrin. Most recently appeared in American Pie 2 (2001) as Michelle Flaherty.

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