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
Oz (Buffy the Vampire Slayer) Oz (Buffy the Vampire Slayer) Daniel "Oz" Osbourne is a fictional character created by Joss Whedon for the television series "Buffy the Vampire Slayer". The character is portrayed by Seth Green. Green also portrays the character in one episode of the spin-off series "Angel". In "Buffy", Oz is portrayed as a taciturn, guitar-playing teen who becomes boyfriend to Willow (Alyson Hannigan), one of the show's main characters. After first appearing in the episode "Inca Mummy Girl", Oz discovers he is a werewolf in the episode "Phases" and becomes a recurring character throughout the second season. Green is elevated to main