Believer A struggling writer finds herself at the center of the story she is covering when brutally attacked by a notorious cult leader and mass murderer, a man who exerts an inexplicable control over his followers. Details Casts Title Believer Release Date Runtime 01 Hours 48 Minutes Genres Horror Thriller Mystery Production Companies Ignition Media and Entertainment Production Countries Canada Lauren Lee Smith... Michelle Moore... Ella Ballentine... Kate Harris... Peter Mooney... David Moore... Martin Roach... Detective Brener... Ilan O'Driscoll... Ella Moore... Jonathan Potts... Eddie Moore... Kristen Holden-Ried... Marshall Grayson... Alex Mallari Jr.... Detective Reys... Daniel Kash... Judge Robert Kellman... Lily Gao... Nurse Li... Masa Lizdek... Lora... Kathy Maloney... Reporter... Joanne Jansen... Nicole Williams... Vladimir Bondarenko... Man in Wheelchair... Mike Chow... Police Officer...