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 Julia Stiles Lumen Ann Pierce Guest Star April L. Hernandez Off. Cira Manzon Guest Star Peter Weller Stan Liddy Guest Star Maria Doyle Kennedy Sonya Guest Star Sean O'Bryan Dan Mendell Guest Star Geoff Pierson Captain Tom Matthews Guest Star Chad Allen Lance Robinson Guest Star Jessica Camacho Yasmin Aragon Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Steve Shill Director Wendy West Writer