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 Jonny Lee Miller Jordan Chase Guest Star April L. Hernandez Off. Cira Manzon Guest Star Rick Peters Elliot Guest Star Peter Weller Stan Liddy Guest Star Maria Doyle Kennedy Sonya Guest Star Adam Harrington Agent Walker Guest Star Angela Bettis Emily Birch Guest Star Raphael Sbarge Jim McCourt Guest Star Chris Vance Cole Harmon Guest Star Saxon Trainor Hotel Clerk Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer John Dahl Director Steve Shill Director Ernest R. Dickerson Director Romeo Tirone Director Keith Gordon Director Milan Cheylov Director Scott Buck Writer Manny Coto Writer Wendy West Writer Tim Schlattmann Writer Chip Johannessen Writer Jim Leonard Writer Scott Reynolds Writer Lauren Gussis Writer Karen Campbell Writer