Alyson Hannigan was born on March 24, 1974, in Washington, D.C. She is an American actress and comedian. She is best known for her roles as Willow Rosenberg on the television series Buffy the Vampire Slayer and as Lily Aldrin on the television series How I Met Your Mother.
Unlocking the Talented World of Alyson Hannigan: How Well Do You Know the Phenomenal Actress?