Michael C. Hall Dexter Morgan Actor Julie Benz Rita Bennett Actor Jennifer Carpenter Debra Morgan Actor Erik King Sgt. James Doakes Actor James Remar Harry Morgan Actor Luna Lauren Velez Lt. Maria LaGuerta Actor David Zayas Angel Batista Actor C.S. Lee Vince Masuka Guest Star Geoff Pierson Captain Tom Matthews Guest Star Christina Robinson Astor Bennett Guest Star Daniel Goldman Cody Bennett Guest Star Devon Graye Teenage Dexter Guest Star Dominic Janes Young Dexter Guest Star Rudolf Martin Carlos Guerrero Guest Star Scott William Winters Det. McNamara Guest Star Gina Hecht Mrs. Tucci Guest Star Brad William Henke Tony Tucci Guest Star Erin Daniels Rita's Neighbor Guest Star Monique Curnen Yelina Guest Star Drew Z. Greenberg Writer Robert Lieberman Director