Michael C. Hall Dexter Morgan Actor Jennifer Carpenter Debra Morgan Actor Julie Benz Rita Bennett Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor C.S. Lee Vince Masuka Actor Luna Lauren Velez Maria LaGuerta Actor Desmond Harrington Joey Quinn Actor John Lithgow Arthur Mitchell Guest Star Courtney Ford Christine Hill Guest Star Christina Robinson Astor Bennett Guest Star Preston Bailey Cody Bennett Guest Star Geoff Pierson Captain Tom Matthews Guest Star Julia Campbell Sally Mitchell Guest Star Roma Maffia Marriage Therapist Guest Star Brando Eaton Jonah Mitchell Guest Star Vanessa Marano Rebecca Mitchell Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Romeo Tirone Director Lauren Gussis Writer