 "Savage Gringo" was among these films with its original Italian title of "Ringo del Nebraska".The film was originally set to be directed by Antonio Román with an original title of "Nebraska il pistolero", but after a few days of shooting in La Pedriza in Spain, producer Fulvio Lucisano felt the director "wasn't working out" and ended production.On returning to Rome, Lucisano met with Mario Bava who agreed to direct the film leading to the film being completed at Elios Film Studios in Rome.