The show's principal cast includes Michael C Hall'sreal-life wife Jennifer Carpenteras Dexter's sister, Detective Debra Morgan, Julie Benzas Dexter's wife Rita Bennett Morgan, and Desmond Harrringtonas Dexter's deceased father Harry. Dexter's co-workers include Lauren Velezas Lt. Maria LaGuerta, Dexter and Debra's supervisor, David Zayasas the friendly Detective, Sergeant Angel Batista, and C S Leeas the perverted lab tech Vince Masuka.
Erik King portrayed the troubled Sgt. James Doakes for the first two seasons of the show. Desmond Harrringtonjoined the cast in Season 3 as Detective Joey Quinn; his name was promoted to the title credits as of Season 4. Keith Carradine, as Special FBI Agent Frank Lundy and Jimmy Smits,
Michael C Hall
Julie Benz
Jennifer Carpenter
Lauren Velez
David Zayas
C S Lee
James Remar
Desmond Harrrington
