The legendary Tomas Milian stars as Cuchillo, a knife-throwing thief on the run from murderous bandits, sadistic American agents, his hot-blooded fiancée and a sheriff turned bounty hunter, all of whom are gunning for a hidden fortune in gold that could finance the Mexican Revolution.
| Actor | Role |
|---|---|
 Tomas MilianManuel Sanchez / Cuchillo | Manuel Sanchez / Cuchillo |
 Donald O'BrienDaniel Cassidy | Daniel Cassidy |
 Linda VerasPenny Bannington | Penny Bannington |
 Marco GuglielmiColonel Michel Sévigny | Colonel Michel Sévigny |
 John IrelandSantillana | Santillana |
 Chelo AlonsoDolores | Dolores |
 Dante MaggioMateos Gonzalez | Mateos Gonzalez |
 Gianni RizzoThe Mayor | The Mayor |
 Orso Maria GuerriniRaul | Raul |
| FFederico BoidoSteve Wilkins | Steve Wilkins |
 Luciano RossiJean-Paul | Jean-Paul |
 Nello PazzafiniRiza | Riza |
 José TorresRamirez | Ramirez |
 Ricardo PalaciosMexican Officer With Dynamite | Mexican Officer With Dynamite |
 Umberto Di GraziaJosé | José |
 Noé MurayamaPablo | Pablo |
 Attilio DottesioManuel Etchevaria | Manuel Etchevaria |
 Calisto CalistiFernando Lopez | Fernando Lopez |