Andrew Jones Director, Writer Derek Nelson Joshua Actor Andromeda Godfrey Annette Actor Tiffany Ceri Sarah Logan Actor William Meredith Reverend Jim Jones Actor Harriet Rees Marcy Actor Doug Cooper Doctor Adelman Actor Albert Clogston The Preacher Actor Robert Graham Paul Actor Lee Graham David Actor Louis Graham Adam Actor Shirley Cook Brooks Gaia Actor Brendan Purcell Snyder (as Brendan Purcell II) Actor Joshua C Jackson Lawrence Actor Kevin Stemp The Congressman Actor Leah Jenkins Mary Actor Wes Ritter Michael Actor David Bridle Cameraman Actor Courtney Bartle Bethany Actor Marc Graham John Actor Sam Rome Mark Actor Sorley Rome Matthew Actor Sharron Jones Writer Rebecca Graham Producer Jonathan Kendall Executive Producer