Biography: Alyson Hannigan

Birth Name: Alyson Lee Hannigan

Birth Date: March 24, 1974

Birth Place: Washington, District of Columbia, United States

Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She rose to prominence for her role as Willow Rosenberg in 'Buffy the Vampire Slayer' from 1997 to 2003. She also gained recognition for playing Lily Aldrin in the sitcom 'How I Met Your Mother,' winning a Peo...