Cast of The Believers

Martin Sheen plays Cal Jamison, a police psychologist who becomes entangled in a series of murders linked to a cult.

Helen Shaver portrays Jessica Halliday, a character caught up in the disturbing events surrounding the cult and the murders.

Harley Cross takes on the role of Chris Jamison, the son of Cal Jamison, who also gets drawn into the sinister happenings.

Robert Loggia plays Lt. Sean McTaggert, a police officer involved in the investigation of the disturbing crimes related to the cult.

Elizabeth Wilson portrays Kate Maslow, a character linked to the cult and the dark forces at play in the story.

Harris Yulin takes on the role of Robert Calder, a character who becomes involved in the mysterious and deadly events.

Lee Richardson plays Dennis Maslow, a character intertwined with the cult and its dangerous secrets.

Richard Masur portrays Marty Wertheimer, a character caught in the web of the cult's sinister influence.

Carla Pinza plays Carmen Ruiz, a character connected to the cult and its horrifying practices.

Jimmy Smits portrays Tom Lopez, a character entangled in the dark and deadly events surrounding the cult.

Raúl Dávila takes on the role of Oscar Sezine, a character involved in the disturbing activities of the cult.

Malick Bowens portrays Palo, a character affiliated with the cult and its ominous influence over the story.