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
Intervention (Buffy the Vampire Slayer) comic relief during a period of particular grimness for her character was a "bonus... an extra scoop of ice-cream," says Espenson. In the fight scenes in "Intervention", Xander was played by Nicholas Brendon's identical twin, Kelly Donovan, because Nicholas suffered from pneumonia at the time. Intervention (Buffy the Vampire Slayer) "Intervention" is the eighteenth episode in the fifth season of "Buffy the Vampire Slayer". At the Summers's home after dinner, Buffy confesses to Giles that she's worried about her ability to love. Giles suggests he and Buffy go to a sacred location in the desert so that she can undergo