Escaped criminal "The Fox" hates Hoppy and a Rurales colonel for imprisoning him and lures Cassidy to Mexico in order to exact his vengeance.
Hopalong Cassidy
Windy Halliday
Lucky Jenkins
The Fox
Don Carlos Gonzalez
Anita Gonzalez
Colonel Gonzalez
Janet Leeds
Elena
Burke
Pancho
Henchman
Henchman
