William Boyd
— Hopalong Cassidy
George 'Gabby' Hayes
— Windy Halliday
Russell Hayden
— Lucky Jenkins
Paul Sutton
— The Fox
Al Ernest Garcia
— Don Carlos Gonzalez
Jan Clayton
— Anita Gonzalez
Trevor Bardette
— Colonel Gonzalez
Betty Amann
— Janet Leeds
Anna Demetrio
— Elena
Glenn Strange
— Burke
Tony Roux
— Pancho
Fred Burns
— Henchman
Cliff Parkinson
— Henchman