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 Christina Robinson Astor Bennett Guest Star Preston Bailey Cody Bennett Guest Star Julia Stiles Lumen Ann Pierce Guest Star Shawn Hatosy Boyd Fowler Guest Star April L. Hernandez Off. Cira Manzon Guest Star Raphael Sbarge Jim McCourt Guest Star Vanessa Bell Calloway Crisis Counselor Guest Star Adam Harrington Agent Walker Guest Star Juan Carlos Cantu Fauzi Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Ernest R. Dickerson Director Manny Coto Writer