Alyson Hannigan is an American Actress. She was born on March 24, 1974 In Washington, District Of Columbia in the USA.
She started her acting career playing roles in television series "Touched By An Angel" and "Roseanne". She obtained worldwide fame playing the role "Willow Rosenberg" in the popular vampire series "Buffy The Vampire Slayer". She also played roles in several movies. In 1988 She appeared in the movie "My Stepmother is An Alien". A notable role was "Michelle Flaherty" in the comedies "American Pie", "American Pie 2" and "American Pie The Wedding".
In 2003 she marries Alexis Denisof.
She changed the spelling of her first name from an 'i' to an 'y'.
