John Wayne

as Colonel Mike Kirby

David Janssen

as George Beckworth

Jim Hutton

as Sgt. Petersen

Aldo Ray

as Sgt. Muldoon

Raymond St. Jacques

as Sgt. Doc McGee

Bruce Cabot

as Colonel Morgan

Jack Soo

as Colonel Cai

George Takei

as Captain Nim

Patrick Wayne

as Lt. Jamison

Luke Askew

as Sgt. Provo

Irene Tsu

as Lin

Edward Faulkner

as Capt. MacDaniel

Jason Evers

as Capt. Coleman

Mike Henry

as Sgt. Kowalski

Craig Jue

as Hamchunk

Chuck Roberson

as Sgt. Griffin

Eddy Donno

as Sgt. Watson

Rudy Robbins

as Sgt. Parks

Richard 'Cactus' Pryor

as Collier

Walter Soo Hoo

as Viet Cong Soldier (uncredited)

Paul Genge

as Gen. Thomas (uncredited)

Cliff Lyons

as Hugh Parkinson (uncredited)

Walker Edmiston

as Lt. Moore (uncredited)

Kenner G. Kemp

as Nightclub Patron (uncredited)

Ernie F. Orsatti

as Sgt. Don Ross (uncredited)