Television News Amber Benson and Sarah Michelle Gellar reunite on 'Ringer' drama 11/22/2011 Amber Benson has joined the cast of "Ringer," a U.S. drama starring her former "Buffy the Vampire Slayer" co-star Sarah Michelle Gellar, TVGuide.com said. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Sarah Michelle Gellar Amber Benson Buffy the Vampire Slayer Ringer Buffy the Vampire Slayer Buffy the Vampire Slayer
