|Lee Van Cleef||Colonel Douglas Mortimer|
|Gian María Volonté||El Indio|
|Josef Eggar||Old Prophet|
|Rosemarie Dexter||Mortimer's sister (uncredited)|
|Klaus Kinski||Wild, the Hunchback|
In the Wild West, a murderous outlaw known as El Indio and his gang are terrorizing and robbing the citizens of the region. With a bounty on El Indio's head, two bounty hunters, Monco and Col. Douglas Mortimer, come to collect the prize. Upon their first meeting, the two men view each other as rivals, but they eventually agree to become partners in their mutual pursuit of the vicious criminal.