Michael C. Hall Dexter Morgan Actor Julie Benz Rita Bennett Actor Jennifer Carpenter Debra Morgan Actor Erik King Sgt. James Doakes Actor James Remar Harry Morgan Actor Luna Lauren Velez Lt. Maria LaGuerta Actor David Zayas Angel Batista Actor C.S. Lee Vince Masuka Guest Star Geoff Pierson Captain Tom Matthews Guest Star Devon Graye Teenage Dexter Guest Star Christian Camargo Rudy Cooper Guest Star Sam Witwer Neil Perry Guest Star Brad William Henke Tony Tucci Guest Star José Zúñiga Jorge Castillo Guest Star Angela Alvarado Rosa Nina Batista Guest Star Monique Curnen Yelina Guest Star Valerie Dillman Valerie Castillo Guest Star Melissa Rosenberg Writer Robert Lieberman Director