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
Buffy the Vampire Slayer Buffy the Vampire Slayer Buffy the Vampire Slayer is an American supernatural drama television series based on the 1992 film of the same name. It was created by Joss Whedon under his production tag, Mutant Enemy Productions, with later co-executive producers being Jane Espenson, David Fury, David Greenwalt, Doug Petrie, Marti Noxon, and David Solomon. The series premiered on March 10, 1997, on The WB and concluded on May 20, 2003, on UPN. The series narrative follows Buffy Summers (played by Sarah Michelle Gellar), the latest in a line of young women known as "Vampire Slayers", or simply "Slayers". In