Alyson Hannigan 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom "Free Spirit". As a teenager, Hannigan babysat for the children of her future "How I Met Your Mother" costar, Bob Saget. In 1997, Hannigan was cast to play Willow Rosenberg, Buffy Summers' best friend, on the television series "Buffy the Vampire Slayer". The show became a success, and Hannigan gained recognition, subsequently appearing in several films aimed at teenaged audiences, including "American Pie" (1999), "Boys and Girls" (2000), "American Pie 2" (2001), and "American Wedding" (2003). She also had a guest
Anne (Buffy the Vampire Slayer episode) Anne (Buffy the Vampire Slayer episode) "Anne" is the third season premiere of the WB Television Network's drama television series "Buffy the Vampire Slayer". It was written and directed by series creator Joss Whedon, and first broadcast on September 29, 1998. Under her middle name, "Anne", Buffy works as a diner waitress in L.A. She serves Lily and Rickie, a young couple living on the streets, who have just gotten a complementary set of distinctive tattoos. Later that evening Lily approaches Buffy and reveals that she remembers her from an earlier episode, when Lily was known as "Chanterelle". As they