William Holden

Richard Thorn

Lee Grant

Ann Thorn

Jonathan Scott-Taylor

Damien Thorn

Robert Foxworth

Paul Buher

Nicholas Pryor

Charles Warren

Lew Ayres

Bill Atherton

Sylvia Sidney

Aunt Marion

Lance Henriksen

Sergeant Neff

Lucas Donat

Mark Thorn

Elizabeth Shepherd

Joan Hart

Ian Hendry

Michael Morgan (uncredited)

Leo McKern

Carl Bugenhagen (uncredited)

Allan Arbus

Pasarian

Fritz Ford

Murray

Meshach Taylor

Dr Kane

John J. Newcombe

Teddy

John Charles Burns

Butler

Paul Cook

Colonel

Diane Daniels

Jane

Robert E. Ingham

Teacher

William B. Fosser

Minister

Corney Morgan

Greenhouse Technician

Russell P. Delia

Truck Driver

Judith Dowd

Maid

Thomas O. Erhart Jr.

Sergeant #1

Sorin Serene Pricopie

Pasarian's Assistant

Robert J. Jones Jr.

Tour Guide

Rusdi Lane

Jim Gardner

Charles Mountain

Burial Priest

Cornelia Sanders

Young Girl

Felix Shuman

Dr. Fiedler

James Spinks

Technician #1

Owen Sullivan

Byron

William J. Whelehan

Security Guard

Don Taylor

Director

David Seltzer

Characters

Stanley Mann

Screenplay

Mike Hodges

Screenplay

Harvey Bernhard

Producer

Jerry Goldsmith

Original Music Composer

Bill Butler

Director of Photography

Robert Brown

Editor

Harvey Bernhard

Story

Joseph Lenzi

Associate Producer

Lynn Stalmaster

Casting

Joseph Lenzi

Production Manager

Al Nicholson

First Assistant Director

Jerry Ballew

First Assistant Director

Richard Luke Rothschild

Second Assistant Director

H. Bud Otto

Script Supervisor

Robert De Vestel

Set Decoration

Bill MacSems

Property Master

Hendrik Wynands

Construction Coordinator

Robert Dawn

Makeup Artist

James R. Connell

Camera Operator

George Hill

Key Grip

Colin J. Campbell

Gaffer

Al Overton Sr.

Production Sound Mixer

Theodore Soderberg

Sound Re-Recording Mixer

Paul Wells

Sound Re-Recording Mixer

Douglas O. Williams

Sound Re-Recording Mixer

Godfrey Marks

Dialogue Editor

Edward Rossi

Sound Editor

Richard Sperber

Sound Editor

William Hartman

Sound Editor

Len Engel

Music Editor

David Garfield

Assistant Editor

Willie Navarro

Assistant Editor

Al Giddings

Underwater Camera

Ira Anderson Jr.

Special Effects

Max Kleven

Stunt Coordinator

Jack L. Richards

Camera Operator

Ed Nielsen

Assistant Camera

Bob Dahlin

Second Assistant Director

William B. Fosser

Set Decoration

Lillian Toth

Makeup & Hair

Don Smetzer

Still Photographer

John D. Crededio

Gaffer

Robert McLain

Key Grip

Gilbert Taylor

Camera Operator

Derek V. Browne

Assistant Camera

Ron Taberer

Assistant Camera

Stanley Cortez

Camera Operator

Burton Miller

Costume Design

Philip M. Jefferies

Production Design

Fred Harpman

Production Design