Cast
- Zero Mostel as Rev. Pious Blue
- Kim Novak as Lyda Kebanov
- Clint Walker as Ben Quick
- Claude Akins as Slade
- Akim Tamiroff as Papa
- Larry Storch as Juan
- John Anderson as Kincaid
- Sam Jaffe as Brother Lilac
- Mako as Secret Agent Fong
- Elisha Cook Jr. as Jeb
Crew
- Hy Averback · Director
- William Peter Blatty · Writer
- Frank O'Rourke · Writer
- Malcolm Stuart · Producer
- Nelson Riddle · Composer
- Fred J. Koenekamp · Cinematographer
- Gene Milford · Editor
- Jack Poplin · Production designer