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 Hanna McKay Actor Geoff Pierson Captain Tom Matthews Guest Star Jaime Gomez Rubio Guest Star Luke Andrew Kruntchev Harrison Morgan Guest Star Evan George Kruntchev Harrison Morgan Guest Star Nicole LaLiberte Arlene Schram Guest Star Nestor Serrano Hector Estrada Guest Star Aimee Garcia Jamie Batista Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer John Dahl Director Manny Coto Writer Wendy West Writer