Alyson Hannigan 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 on the television series "Buffy the Vampire Slayer" (1997–2003), Lily Aldrin on the sitcom "How I Met Your Mother" (2005–2014), and Michelle Flaherty in the "American Pie" film series (1999–2012). Hannigan was born in Washington, D.C., the only child of Emilie (Posner) Haas, a real estate agent, and Alan Hannigan, a Teamsters trucker. Her father is of Irish ancestry and her mother is Jewish. At age four, Hannigan began appearing in commercials. She moved
Buffy the Vampire Slayer Genre TV Actress. The series won the Drama Category for Television's Most Memorable Moment at the 60th Primetime Emmy Awards for "The Gift" beating "The X-Files", "Grey's Anatomy", "Brian's Song" and "Dallas", although the sequence for this award was not aired. It was nominated for Emmy and Golden Globe awards, winning a total of three Emmys. However, snubs in lead Emmy categories resulted in outrage among TV critics and the decision by the academy to hold a tribute event in honor of the series after it had gone off the air in 2003. Buffy the Vampire Slayer Buffy the Vampire