A dishonored Union Army officer leads a group of convicts to retake Fort Holman from the Confederate Army.
James Coburn
Colonel Pembroke
Telly Savalas
Major Ward
Bud Spencer
Eli Sampson
Georges Géret
Sergeant Spike
Reinhard Kolldehoff
Sergeant Brent
Guy Mairesse
Donald MacIvers
José Suárez
Major Charles Ballard
Ugo Fangareggi
Ted Randall
