Sarah Michelle Gellar has been cast as Tanya Martin, the CSI Chief of Miami Metro Police Department, and young Dexter’s boss, in the forthcoming Dexter Prequel, Original Sin. Set in the 90s, Original Sin will star Christian Slayer as Dexter’s father, Harry Morgan and Patrick Gibson as Dexter. Set fifteen years before the events of the original series, Original Sin will focus on a younger Dexter struggling with his dark urges under the guidance of his father.
Source: TVOvermind
