Charlton Heston

Captain Paul Blanchard

David Carradine

Captain Gates

Stacy Keach

Captain Bennett

Ned Beatty

Mickey

Stephen McHattie

Murphy

Ronny Cox

Commander Samuelson

Dorian Harewood

Fowler

Rosemary Forsyth

Vickie Blanchard

Hilly Hicks

Page

Charles Cioffi

Admiral Barnes

William Jordan

Waters

Jack Rader

Harkness

Antony Ponzini

Caruso

Michael O'Keefe

Harris

Charles Robinson

McAllister

Christopher Reeve

Phillips

Melendy Britt

Liz Bennett

Jeffrey Druce

Charles Cyphers

James Davidson

Ted Gehring

Robert Symonds

Secretary of Navy

David Wilson

Hanson

Lawrason Driscoll

Lieutenant Bloome

David Clennon

USS Neptune Crewmember

John Stuart West

Submariner

David Lavallee

Novel

Walter Mirisch

Producer

David Greene

Director

John K. Kean

Sound

Patrick A. Duffy

Second Assistant Director

Mack Bing

First Assistant Director

William W. Gray

Production Manager

Kevin F. Cleary

Sound

Curtis Dickson

Special Effects

Michael Stanislavsky

Second Assistant Director

Peter Berkos

Sound Effects Editor

Jerry Cohen

Music Editor

Lynn Stalmaster

Casting

Lon Bentley

Makeup Artist

Stevan Larner

Director of Photography

Frank P. Rosenberg

Adaptation

Jerry Fielding

Original Music Composer

John M. Dwyer

Set Decoration

James Whittaker

Screenplay

Robert Swink

Editor

William H. Tuntke

Production Design

Howard Sackler

Screenplay

Gregory J. Barnett

Stunts