James BrolinGeorge Lutz

Margot KidderKathy Lutz

Rod SteigerFather Delaney

Don StroudFather Richard Bolen

Murray HamiltonFather Ryan

John LarchFarther Nuncio

Natasha RyanAmy

K.C. MartelGreg

Meeno PeluceMatt

Michael SacksJeff

Irene DaileyAunt Helena

Helen ShaverCarolyn

Amy WrightJackie

Marc VahanianJimmy

Elsa RavenMrs. Townsend

Eddie BarthAgucci

Hank GarrettBartender

James TolkanCoroner

J.R. MillerBoy

Val AverySgt. Gionfriddo

Peter MaloneyNewspaper Clerk

Charlie WelchCarpenter

Patty BurttGirl

Michael HawkinsNew York State Trooper

Richard Hughes2nd New York State Trooper

James DukasNeighbor

Baxter HarrisCop #2 at the House

Michael StearnsPoliceman

Jack KrupnickDead Father

Carmine ForestaCop at the House

Brian BruderlinRonald DeFeo Jr.

Stuart RosenbergDirector

Sandor SternScreenplay

Jay AnsonNovel

Samuel Z. ArkoffExecutive Producer

Elliot GeisingerProducer

Ronald SalandProducer