Alyson Lee Hannigan is an American actress and television presenter. She began her film career with supporting roles in the comedy films Impure Thoughts (1986) and My Stepmother Is an Alien (1988), receiving a Young Artist Award nomination for the latter. In 1999, she began starring in the American Pie film series as Michelle Flaherty, the films' primary love interest, appearing in every film in the series from 1999 to 2012. For her role in the series, she was nominated for three Teen Choice Awards and won a Young Hollywood Award. She went on to star in the parody film Date Movie (2006), the slasher film You Might Be the Killer (2018), and the superhero film Flora & Ulysses (2021).
Hannigan got her start in television starring in the short-lived sitcom Free Spirit from 1989 to 1990, for which she earned a Young Artist Award nomination. After several minor roles in television films and other series, she appeared in her breakout role as teenage witch Willow Rosenberg in the supernatural drama series Buffy the Vampire Slayer, appearing in every episode from 1997 to 2003.