Alyson Hannigan is an American actress. Her birth name is Alyson Lee Hannigan and she was born on March 1974 in Washington, D.She is the only child of Al Hannigan, who is a truck driver and Emilie Haas who is a real estate agent.
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Alyson Hannigan - American actress best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer Lily Aldrin on the CBS sitcom How I Met Your Mother and Michelle Flaherty in the American