- George Peppard
- Capt. Rod Douglas
- Giovanna Ralli
- Leonora Cristobal
- Raf Vallone
- Hector Cordoba
- Pete Duel
- Andy Rice
- Don Gordon
- Jackson Harkness
- Nico Minardos
- Peter
- Gabriele Tinti
- Antonio
- John Larch
- Warner
- Francine York
- Sophia
- John Russell
- John J. Pershing
- Lionel Murton
- Col. Hammond
- Hans Meyer
- Svedborg
- Richard Pendrey
- Adam
- Takis Emmanuel
- Campo
- Janis Hansen
- Girl
- John Clark
- Maj. Wall
- Charles Stalmaker
- Capt. Riggs
- Luis Barboo
- (uncredited)
- Barta Barri
- (uncredited)
- Robbie Fields
- Soldier
- Cris Huerta
- Cordoba Officer
- Kate O'Mara
- Girl
- Aldo Sambrell
- Ortega
- Gito Santana
- Mexican Bandit
- Dan van Husen
- Sodier
