James Manos Jr. Creator Michael C. Hall Dexter Morgan Actor Jennifer Carpenter Debra Morgan Actor Julie Benz Rita Bennett Actor Luna Lauren Velez Maria LaGuerta Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor C.S. Lee Vince Masuka Actor Erik King Sgt. James Doakes Actor Geoff Pierson Captain Tom Matthews Guest Star Keith Carradine Special Agent Frank Lundy Guest Star Christina Robinson Astor Bennett Guest Star Preston Bailey Cody Bennett Guest Star Jaime Murray Lila Tournay Guest Star Peter Macon Leonis Guest Star Tony Amendola Santos Jimenez Guest Star Devon Graye Teenage Dexter Guest Star Brian Scolaro Lab Tech Asst 1 Guest Star Marcos Siega Director Melissa Rosenberg Writer