Alyson Hannigan in a live action TV movie based on the Disney Channel cartoon "Kim Possible". Hannigan married her "Buffy the Vampire Slayer" and "Angel" co-star Alexis Denisof at Two Bunch Palms Resort in Desert Hot Springs, California, on October 11, 2003. The couple live in Encino, Los Angeles with their two daughters. 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
The Body (Buffy the Vampire Slayer) of Sarah Michelle Gellar, Michelle Trachtenberg, Alyson Hannigan, and Amber Benson. "The Body", according to Bianculli is "Emmy-worthy ... It also will haunt you—but not in the normal way associated with this still-evolving, still-achieving series." Television critic Alesia Redding and editor Joe Vince of the "South Bend Tribune" write, "I was riveted by this show ... This isn't just one of the best "Buffy" episodes of all time. It's one of the best episodes of TV of all time." Redding adds, "If you watch this incredible episode and don't recognize it as great TV, you're hopeless ... A 'fantasy' show