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)