Jacques Sernas
— Captain Guy Bertrand
Kurt Kasznar
— Captain Jean Callaux
Arnold Moss
— General Christian De Castries
Peter van Eyck
— Lt. Heinrich Heldman
Marcel Dalio
— Sgt. Taite
Norman Dupont
— Lt. André Maupin
Lawrence Dobkin
— Major Maurice Bonet
Patricia Blair
— Gisele Bonet
Lisa Montell
— Jacqueline
Victor Sen Yung
— Lt. Thatch
Alberto Morin
— Maj. Riviere
Maurice Marsac
— Capt. LeRoy
Louis Mercier
— Capt. Darbley
Peter Bourne
— Lt. Robert
Roger Valmy
— Maj. Lamoreaux
Leon Lontoc
— Lt. Pham
George Chan
— Thai Tribesman
Jacques Scott
— Lt. De Jean
Harold Dyrenforth
— Maj. Flandrin
Philip Ahn
— Chinese POW Lieutenant
Paul Frees
— TV News Broadcaster (voice)
Nico Minardos
— Guard
Lomax Study
— Capt. Daniel (uncredited)