Desafío en Río Bravo
Desafío en Río Bravo/Gunmen of the Rio Grande (, is a 1964 Italian, Spanish and French international co-production Spaghetti Western film directed by Tulio Demicheli. Filmed at Almería, Spain and shot in Techniscope, it stars Guy Madison as Wyatt Earp in his first leading spaghetti western role.
Saloon keeper Jennie Lee is fed up with Zack "The Snake" Williams trying to take over Clementine Hewitt's silver mine. She contacts her friend Wyatt Earp to bring justice to the Arizona Territory.