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 Matt Gerald Ray Speltzer Guest Star Andrew Kirsanov Jurg Yeliashkevych Guest Star Luke Andrew Kruntchev Harrison Morgan Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer John Dahl Director Wendy West Writer