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
Grave (Buffy the Vampire Slayer) Contner says that while filming the scenes with Willow and Xander on the cliff, the wind churned up dust, which blew into Alyson Hannigan's eyes. Because of the dust, Hannigan removed her black contacts and her eyes were blackened digitally in post-production. Grave (Buffy the Vampire Slayer) "Grave" is the sixth-season finale of the television series "Buffy the Vampire Slayer". This episode is the second highest rated Buffy episode ever to air in the U.K. Sky One aired the episode, which reached 1.22 million viewers on its original airing. This is the only "Buffy" season finale not written and directed