In Old Mexico

Escaped criminal "The Fox" hates Hoppy and a Rurales colonel for imprisoning him and lures Cassidy to Mexico in order to exact his vengeance.

• Edward D. VenturiniDirector
• Harrison JacobsScreenplay

• William BoydHopalong Cassidy
• George 'Gabby' HayesWindy Halliday
• Russell HaydenLucky Jenkins
• Paul SuttonThe Fox
• Al Ernest GarciaDon Carlos Gonzalez
• Jan ClaytonAnita Gonzalez
• Trevor BardetteColonel Gonzalez
• Betty AmannJanet Leeds
• Anna DemetrioElena
• Glenn StrangeBurke
• Tony RouxPancho
• Fred BurnsHenchman