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 Chris Vance Cole Harmon Guest Star Jonny Lee Miller Jordan Chase Guest Star David Paetkau Owen Guest Star Liza Colón-Zayas Paloma Aragon Guest Star Brad Grunberg Heavyset Man Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Clyde Phillips Executive Producer Romeo Tirone Director Manny Coto Writer Wendy West Writer