Michael C. Hall Dexter Morgan Actor Julie Benz Rita Bennett Actor Jennifer Carpenter Debra Morgan Actor Erik King Sgt. James Doakes Actor Luna Lauren Velez Lt. Maria LaGuerta Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor C.S. Lee Vince Masuka Guest Star Geoff Pierson Captain Tom Matthews Guest Star Christina Robinson Astor Bennett Guest Star Daniel Goldman Cody Bennett Guest Star Devon Graye Teenage Dexter Guest Star Rudolf Martin Carlos Guerrero Guest Star Sam Trammell Matt Chambers Guest Star Cristos Norberto Cervantez Guest Star Richard Gunn Sean Guest Star Lisa Kaminir Prosecutor Guest Star Clyde Phillips Writer Michael Cuesta Director