Alyson Hannigan

Alyson Hannigan portrays Willow Rosenberg, Buffy's best friend and confidant. Once a high-school computer geek, she has blossomed into a beautiful and loving woman whose world was nearly destroyed by the death of her soul mate, Tara.

Last summer, Hannigan starred in Universal's box office hit, "American Pie 2." In the sequel, she reprised her role as Michelle, the flute-playing band camper, alongside Jason Biggs, Chris Klein and Mena Suvari.

Born in Washington D.C., Hannigan moved to Atlanta at age two. She began her career in Atlanta doing commercials, working steadily in national spots for companies like McDonaldÕs, Six Flags Amusement Parks and Oreo Cookies. At age 11, she moved to Los Angeles to pursue acting roles in television and film.

Her breakthrough role came at age 13 when she was cast as Dan Aykroyd's misunderstood daughter in the feature film "My Stepmother is an Alien." She went on to guest star on a number of popular television shows, including "Picket Fences," "Roseanne" and "Touched by an Angel." She was a recurring character on the series "Almost Home" and a series regular on "Free Spirit."

Hannigan resides in Los Angeles with her three dogs and two cats.

Profile courtesy of UPN