Cast (66)
George C. ScottLt. William 'Bill' Kinderman
Ed FlandersFather Joseph Kevin Dyer
Brad DourifJames Venamun / The Gemini Killer
Jason MillerFather Damien Karras / Patient X
Nicol WilliamsonFather Morning
Scott WilsonDr. Temple
Nancy FishNurse Allerton
George DiCenzoStedman
Don GordonRyan
Lee RichardsonUniversity President
Grand L. BushSergeant Atkins
Mary JacksonMrs. Clelia
Viveca LindforsNurse X
Ken LernerDr. Freedman
Tracy ThorneNurse Keating
Barbara BaxleyShirley
Zohra LampertMary Kinderman
Harry Carey, Jr.Father KanavanSherrie WillsJulie KindermanEdward LynchPatient A
Clifford DavidDr. BrunoAlex ZuckermanKorner Boy
Lois ForakerNurse Merrin
Tyra FerrellNurse BlaineJames BurgessThomas Kintry
Kevin CorriganAltar BoyPeggy AlstonMrs. KintryJohn DurkinElderly JesuitBobby DerenNurse BierceJan NeubergerAliceAlexis ChieffetCounter AttendantDebra PortWaitressWalt MacPhersonPolice Sergeant
David DwyerSecond Police Officer
Danny EpperPolice DriverWilliam PrestonOld Man in WheelchairChuck KinlawAttendantDemetrios PappageorgeCaspereliiNina HansenLittle Old LadyShane WexelFirst Dream Boy (uncredited)Ryan Paul AmickSecond Dream Boy (uncredited)John CoeOld Man in Dream (uncredited)
Jodi LongFirst Dream Woman (uncredited)Kathy GerberSecond Dream Woman (uncredited)
Samuel L. JacksonDream Blind Man (uncredited)Jan SmookRadio Man (uncredited)
Amelia CampbellYoung Girl in Dream (uncredited)Cherie BaronNurse
Larry KingLarry KingC. Everett KoopEverett Koop
Patrick EwingAngel of Death
Clinton BrandhagenYoung Boy in Dream (uncredited)Michael CriscuoloMental Patient (uncredited)Cindy CullomNurse (uncredited)
Colleen DewhurstSatan (voice) (uncredited)
FabioAngel (uncredited)Randy Aaron FinkStudent (uncredited)Jeff HenryAngel (uncredited)Patt NodayHospital Ward Priest (uncredited) (unconfirmed)Manley PopeAngel (uncredited)Charles Edwin PowellPatient X Possessed (uncredited)John ThompsonJohn Thompson - Georgetown Hoyas Basketball Coach (uncredited)Michael ToveMan in Purgatory (uncredited)Brad WallerAsylum Inmate (uncredited)Gary WheelerCrime Photographer (uncredited)
Teresa WrightPenitent (uncredited)Art
- Leslie DilleyProduction Design
- Hugh ScaifeSet Decoration
- Robert C. GoldsteinArt Direction
- Henry ShafferArt Direction
Camera
Costume & Make-Up
- Mike SmithsonProsthetic Supervisor
- Greg CannomSpecial Effects Makeup Artist
- Dana LymanCostume Design
- Del AcevedoMakeup Artist
- Paul HuntleyWigmaker
- Paul Stanhope Jr.Makeup Supervisor
- Cydney CornellHair Supervisor
- Bill ForscheSpecial Effects Makeup Artist
- Patricia GrandeHairstylist
- Erin KoplowMakeup Artist
- Greg CannomSpecial Effects Makeup Artist
Creator
Crew
- George P. WilburStunts
- Gary BaxleyStunts
- Chuck WatersStunt Double
- Dean Raphael FerrandiniStunts
- Daniel W. BarringerStunts
- Tom MorgaStunts
- Kurt D. LottStunts
- John BorlandStunts
- Jim StephanStunts
- Jay C. CurrinStunts
- William PurcellSpecial Effects Coordinator
- Sharon BensonSpecial Effects Coordinator
Directing
- Paul BaxleySecond Unit Director
- Richard W. AbramitisFirst Assistant Director
- Sharon GerhardSecond Assistant Director
- William Peter BlattyDirector
Editing
Lighting
Production
- James G. RobinsonExecutive Producer
- Joe RothExecutive Producer
- Steve JaffeAssociate Producer
- Carter DeHavenProducer
Sound
- Bill VarneySound Re-Recording Mixer
- Steve MaslowSound Re-Recording Mixer
- Joanne D'AntonioSound Editor
- Bob MinklerSound Re-Recording Mixer
- Jeffrey HayesSound
- Richard L. AndersonSupervising Sound Editor
- Warren Hamilton Jr.Sound Editor
- Mike ChockSound Editor
- Barry De VorzonMusic
- Richard Van DykeSound Mixer
- James ChristopherSound Editor
- Burness DembrowskiSound Editor
- Donlee JorgensenSound Editor
- Joanne D'AntonioSound Editor
Visual Effects
- Mat BeckVisual Effects Supervisor
- Robert StaddVisual Effects Producer
- Jeff BurksAnimation Supervisor
- Abe MilradVisual Effects Supervisor