See then-and-now pictures of the Buffy the Vampire Slayer cast, including Sarah Michelle Gellar, Alyson Hannigan, Nicholas Brendon, and David Boreanaz, are now
Alyson Hannigan: Now
Hannigan is one of Buffy's biggest breakout stars. She played horny band geek Michelle Flaherty in all four of the popular American Pie movies, had brief role on the cult, Buffy-inspired series Veronica Mars, and recently finished up a nine-season run on the beloved CBS comedy How I Met Your Mother.
Credit: Monty Brinton/CBS