McDreamy will soon face off against a teenage Dexter Morgan: Patrick Dempsey has joined Paramount+ with Showtime's Dexter prequel Original ... him join our all-star cast of Dexter: Original ...

Patrick Dempsey's turning in scrubs for a uniform. The actor, best known for his role on "Grey's Anatomy" has joined the cast of "Dexter ... Slater's Harry Morgan. The "Dexter" prequel, which ...