The town of Tombstone is overrun by Ramon, Pedro, Miguel, Ryan and Slide -- five outlaw brothers who are taken on by gunslinger Burt Collins and a deadly lawyer.
| Actor | Role |
|---|---|
 Klaus KinskiJames Webb / Black Killer | James Webb / Black Killer |
 Fred RobsahmBurt Collins | Burt Collins |
 Antonio CantaforaRamon O'Hara | Ramon O'Hara |
| MMarina RabissiSarah Collins | Sarah Collins |
 Enzo PulcranoPedro O'Hara | Pedro O'Hara |
| TTiziana DiniConsuelo | Consuelo |
| CCalogero CaruanaMiguel O'Hara | Miguel O'Hara |
| GGerardo RossiPeter Collins | Peter Collins |
 Claudio TrionfiNot listed | Not listed |
| AAntonio DanesiRyan O'Hara | Ryan O'Hara |
| DDomenico MaggioSlide O'Hara | Slide O'Hara |
 Carlo CroccoloFred, Deputy Sheriff | Fred, Deputy Sheriff |
 Dante MaggioJudge Wilson | Judge Wilson |
 Xiro PapasPoker Player (uncredited) | Poker Player (uncredited) |
 Antonella DoganMaureen (uncredited) | Maureen (uncredited) |