Alyson Hannigan 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom "Free Spirit". As a teenager, Hannigan babysat for the children of her future "How I Met Your Mother" costar, Bob Saget. In 1997, Hannigan was cast to play Willow Rosenberg, Buffy Summers' best friend, on the television series "Buffy the Vampire Slayer". The show became a success, and Hannigan gained recognition, subsequently appearing in several films aimed at teenaged audiences, including "American Pie" (1999), "Boys and Girls" (2000), "American Pie 2" (2001), and "American Wedding" (2003). She also had a guest
Kennedy (Buffy the Vampire Slayer) Kennedy (Buffy the Vampire Slayer) Kennedy is a fictional character in the television series "Buffy the Vampire Slayer". Portrayed by Iyari Limon in the TV series, the character was introduced in the final season of the series and goes on to appear in the comic book series "Buffy the Vampire Slayer Season Eight" which continues the story of the television series. Kennedy is introduced as a "potential Slayer", one of many girls who might become endowed with supernatural abilities, destined to battle evil creatures such as vampires and demons, like protagonist Buffy Summers. Distinctly, Kennedy is also a love interest