Update your iOS app for improved stability and a new tracker filter! Read more about the changes on our blog.

Alyson Hannigan poster

Alyson Hannigan

Alyson Lee Hannigan (born March 24, 1974) is an American actress. She currently plays Lily Aldrin in the CBS sitcom How I Met Your Mother, but is best known for her previous role as Willow Rosenberg on the television series Buffy the Vampire Slayer. She also played flautist Michelle Flaherty in the American Pie film series.
Alyson Hannigan: Lesbian Relationship on Buffy Was "Such a Gift”
Alyson Hannigan Bombshell About 'The Mother' Reveal On 'HIMYM'
Alyson Hannigan Gives Birth to Second Child With Husband Alexis Denisof
Alyson Hannigan Pregnant With Baby No. 2—Will How I Met Your Mother Be Impacted?
Alyson Hannigan Offers Details on 'HIMYM' Finale (VIDEO)
'How I Met Your Mother': Jason Segel and Alyson Hannigan discuss the show's dramatic turn
THE SIMPSONS “Flaming Moe” Season 22 Episode 10 Photos With Alyson Hannigan