Sarah Michelle Gellar and Alyson Hannigan were once teenage actresses alongside … to compelling human interest stories.  Alyson Hannigan and Sarah Michelle Gellar on …

… Slayer, Sarah Michelle Gellar and Alyson Hannigan have served as major sources … ever. Sarah Michelle Gellar and Alyson Hannigan in 2001Kevin Winter/Getty … to raise awareness about meningitis? Alyson Hannigan: This campaign is about informing …

… stars Sarah Michelle Gellar and Alyson Hannigan are opening up about their …

… big deal Gellar and Alyson Hannigan, who played Willow … would call her costar Alyson Hannigan to ask if people … left: David Boreanaz, Alyson Hannigan and Sarah Michelle Gellar in … compelling human interest stories.   Alyson Hannigan (left) and Sarah Michelle …

… , Jaden, and a daughter, Bella. Alyson Hannigan Alyson Hannigan then and now. (Everett Collection … Willow Rosenberg for 7 seasons, Alyson Hannigan went on to star as …

… 's Watcher? 1. Willow (Alyson Hannigan) Perhaps no one needs to … in the new series than Alyson Hannigan as Buffy's best …

… ;Welcome to Hellmouth") Actress: Alyson Hannigan One of Buffy's …

… Sunnydale. The programme also starred Alyson Hannigan as Willow Rosenberg, James Marsters …

… help her including Willow Rosenberg (Alyson Hannigan) and Xander Harris (Nicholas Brendon …

… cast, including Sarah Michelle Gellar, Alyson Hannigan, Nicholas Brendon, and David Boreanaz …