<Li> Connie Nielsen as Lily Gray, once - admirer of Carroll, and mother to Luke and Mark (10 episodes) </Li> <Li> James Purefoy as Joe Carroll, a former professor turned serial killer and cult leader (15 episodes) </Li> <Ul> <Li> Valerie Cruz as Agent Gina Mendez, head of the investigation on Carroll and the new cult formed a year after his supposed death (8 episodes) </Li> <Li> Sprague Grayden as Carrie Cooke, a tabloid reporter and author of The Havenport Tragedy (8 episodes) </Li> <Li> Shane McRae as Robert, a leader in the Korban cult (8 episodes) </Li> <Li> Mackenzie Marsh as Tilda, Korban member and follower of Carroll (6 episodes) </Li> <Li> Felix Solis as Agent Clarke, FBI agent (6 episodes) </Li> <Li> Camille De Pazzis as Gisele, a follower of Lily Gray, working closely with Luke and Mark (5 episodes) </Li> <Li> Kyle Barisich as Hopkins, FBI information and computer specialist (5 episodes) </Li> <Li> Montego Glover as Agent Lawrence, FBI information and computer specialist (5 episodes) </Li> <Li> Susan Heyward as Hannah, one of Joe Carroll's followers (5 episodes) </Li> <Li> John Lafayette as Marshal Scott Turner, former head of the Marshal's detail participating in the investigation of Carroll's cult; provides protection for Claire Matthews (4 episodes) </Li> <Li> Tom Cavanagh as Kingston Tanner, televangelist who denounces Carroll (4 episodes) </Li> <Li> Carter Jenkins as Preston Tanner, Kingston Tanner's son (4 episodes) </Li> <Li> Carrie Preston as Judy, admirer of Carroll with whom Carroll lives for a year after going into hiding; Judy's daughter regards Joe Carroll as a father figure (3 episodes) </Li> <Li> Bambadjan Bamba as Sami, Lily Gray's illegitimate son (3 episodes) </Li> <Li> Rita Markova as Radmilla, Lily Gray's illegitimate daughter (3 episodes) </Li> <Li> Jacinda Barrett as Julia, Micah's wife and second - in - command of Korban (3 episodes) </Li> <Li> Jake Weber as Micah, the leader of the Korban cult (3 episodes) </Li> <Li> JD Williams as Carlos, a follower of Carroll, working closely with Luke and Mark (3 episodes) </Li> <Li> Josh Salatin as Lucas, Korban member and follower of Carroll (3 episodes) </Li> <Li> Liza de Weerd as Angela, Korban member and follower of Carroll (3 episodes) </Li> <Li> Leslie Bibb as Jana Murphy, Gina Mendez's ex-partner, follower of Joe Carroll (2 episodes) </Li> <Li> Gregg Henry as Dr. Arthur Strauss, Joe Carroll's mentor and introducer to killing (2 episodes) </Li> </Ul> <Li> Valerie Cruz as Agent Gina Mendez, head of the investigation on Carroll and the new cult formed a year after his supposed death (8 episodes) </Li>

Who played young joe carroll in the following