Sarah Michelle Gellar Signs on to “Original Sin,” the “Dexter” Prequel Series
Sarah Michelle Gellar has joined the cast of “Dexter: Original Sin,” the critically acclaimed prequel series to “Dexter,” onParamount+. Celebrated for “Buffy the Vampire Slayer,” Gellar will play Miami Metro Police Department’s CSI Chief Tanya Martin, who will also be the new boss of Patrick Gibson’s character, a young Dexter Morgan. Showtime’s president of content…