Michael Sarrazin

Peter Proud

Jennifer O'Neill

Ann Curtis

Margot Kidder

Marcia Curtis

Cornelia Sharpe

Nora Hayes

Paul Hecht

Dr. Samuel Goodman

Tony Stephano

Jeff Curtis

Norman Burton

Dr. Frederick Spear

Anne Ives

Ellen Curtis

Debralee Scott

Suzy

Steve Franken

Dr. Charles Crennis

Fred Stuthman

Pop Johnson

Lester Fletcher

Car Salesman

Paul Nevens

Room Clerk

Breanna Benjamin

Miss Hagerson

Addison Powell

Reeves

Phillip Clark

Number Five

Gene Boland

Charlie

Albert Henderson

Police Sergeant

Connie Garrison

Ellie

Sam Laws

Satan's Disciple

Mary Margaret Amato

Nurse

Terry Green

College Student

Jacqueline Manning

Lab Assistant

Henry Cosimini

Square Dance Caller

Douglas Rutherford

Club Steward

Marjorie Eaton

Astrology Lady (as Marjorie Morley Eaton)

Shelley St. Clair

Bookstore Clerk

Jon Richards

Newspaper Custodian

J. Lee Thompson

Director

Margaret Hanly

Script Supervisor

David 'Buck' Hall

Asistente de Dirección

Gary Daigler

Second Assistant Director

Ralph S. Singleton

Second Assistant Director

Max Ehrlich

Guión, Novela

Victor J. Kemper

Director de Fotografía

Jack Brown

Camera Intern

Jerry Goldsmith

Compositor de la Música Original

Bernard F. Pincus

Sound Editor

John Caper Jr.

Music Editor

Andrew Gilmore

Production Sound Mixer

John Wilkinson

Mezclador de Re-Grabación de Sonido

Dan Wallin

Scoring Mixer

Frank P. Rosenberg

Productor

Bing Crosby Productions

Compañía de Produccion

Cinerama Productions Corp

Compañía de Produccion

Charles A. Pratt

Productor Ejecutivo

Irving Lande

Casting

Hal Blair

Production Manager

Virginia Jones

Estilista

Jack H. Young

Maquilladora

Bob O'Bradovich

Maquilladora

Mike Maggi

Maquilladora

Michael F. Anderson

Editor

Terence Anderson

Additional Editor

Jack Martin Smith

Diseño de Producción, Dirección Artística

Barbara Krieger

Decorados

Robert De Vestel

Decorados

Jim Danforth

Visual Effects, Matte Painter

David 'Buck' Hall

Second Unit