John Wayne

Colonel Mike Kirby

David Janssen

George Beckworth

Jim Hutton

Sgt. Petersen

Aldo Ray

Sgt. Muldoon

Raymond St. Jacques

Sgt. Doc McGee

Bruce Cabot

Colonel Morgan

Jack Soo

Colonel Cai

George Takei

Captain Nim

Patrick Wayne

Lt. Jamison

Luke Askew

Sgt. Provo

Irene Tsu

Lin

Edward Faulkner

Capt. MacDaniel

Jason Evers

Capt. Coleman

Mike Henry

Sgt. Kowalski

Craig Jue

Hamchunk

Chuck Roberson

Sgt. Griffin

Eddy Donno

Sgt. Watson

Rudy Robbins

Sgt. Parks

Richard 'Cactus' Pryor

Collier

Walter Soo Hoo

Viet Cong Soldier (uncredited)

Paul Genge

Gen. Thomas (uncredited)

Cliff Lyons

Hugh Parkinson (uncredited)

Walker Edmiston

Lt. Moore (uncredited)

Kenner G. Kemp

Nightclub Patron (uncredited)

Ernie F. Orsatti

Sgt. Don Ross (uncredited)

John Wayne

Director

James Lee Barrett

Screenplay

Ray Kellogg

Director

Jerry Alpert

Costume Design

Otho Lovering

Editor

Winton C. Hoch

Director of Photography

Dick Warlock

Stunts

Michael Wayne

Producer

Walter M. Simonds

Production Design

Dave Grayson

Makeup Artist

Hendrik Wynands

Construction Coordinator

Ray Moyer

Set Decoration

Sass Bedig

Special Effects

Crayton Smith

Script Supervisor

Joe L. Cramer

Assistant Director

Roy K. Ogata

Stunts

Robert B. Shepard

Playback Singer

Miklós Rózsa

Original Music Composer

Ernie F. Orsatti

Stunts

Robin Moore

Novel