Michael C. Hall Dexter Morgan Actor, Executive Producer Jennifer Carpenter Debra Morgan Actor C.S. Lee Vince Masuka Actor David Zayas Angel Batista Actor James Remar Harry Morgan Actor Desmond Harrington Joey Quinn Actor Geoff Pierson Captain Tom Matthews Actor Aimee Garcia Jamie Batista Actor Charlotte Rampling Dr. Evelyn Vogel Guest Star Sean Patrick Flanery Jacob Elway Guest Star Bethany Joy Lenz Cassie Jollenston Guest Star Dora Madison Niki Walters Guest Star Darri Ingolfsson Oliver Saxon Guest Star John D'Aquino Ed Hamilton Guest Star John Goldwyn Executive Producer Sara Colleton Executive Producer Scott Buck Executive Producer Manny Coto Executive Producer Tim Schlattmann Executive Producer Wendy West Executive Producer Jace Richdale Executive Producer, Writer John Dahl Director