Michael C. Hall Dexter Morgan Actor Jennifer Carpenter Debra Morgan Actor Julie Benz Rita Bennett Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor C.S. Lee Vince Masuka Actor Luna Lauren Velez Maria LaGuerta Actor Desmond Harrington Joey Quinn Actor John Lithgow Arthur Mitchell Guest Star David Ramsey Anton Briggs Guest Star Adrienne Barbeau Suzanna Coffey Guest Star Courtney Ford Christine Hill Guest Star Lisa Darr Benny's Lawyer Guest Star Jerry O'Donnell Flashdrive Detective Guest Star Keith Carradine Frank Lundy Guest Star Christina Robinson Astor Bennett Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Marcos Siega Director