Michael C. Hall Dexter Morgan Actor Jennifer Carpenter Debra Morgan Actor C.S. Lee Vince Masuka Actor Luna Lauren Velez Lt. Maria LaGuerta Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor Desmond Harrington Joey Quinn Actor Yvonne Strahovski Hannah McKay Actor Ray Stevenson Isaak Sirko Guest Star Aimee Garcia Jamie Batista Guest Star Jason Gedrick George Novikov Guest Star Katia Winter Nadia Guest Star Evan George Kruntchev Harrison Morgan Guest Star Preston Bailey Cody Bennett Guest Star Christina Robinson Astor Bennett Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Arika Lisanne Mittman Writer