Cast en crew
-
George C. ScottKinderman - Ed FlandersFather Dyer
- Brad DourifThe Gemini Killer
- Jason MillerPatient X
- Nicol WilliamsonFather Morning
- Scott WilsonDr. Temple
- Nancy FishNurse Allerton
- George DiCenzoStedman
- Viveca LindforsNurse X
- Harry Carey jr.Father Kanavan
- William Peter BlattyRegisseur
- Joe RothProducent
- James G. RobinsonProducent
- Carter DeHavenProducent
- William Peter BlattySchrijver