Clint Eastwood in the 1960s and Pam. Filming began at the Cinecittà studio in Rome in mid-May 1966, including the opening scene between Clint and Wallach, when The Man With No Name captures Tuco for the first time and sends him to jail. The production then moved on to Spain's plateau region, near Burgos in the north, which would double for the extreme deep south of the United States. The western scenes were again shot in Almeria in the south. This time, the production required more elaborate sets, including a town under cannon fire, an extensive prison camp and an American Civil War battlefield. For
Singing cowboy of the Sons of the Pioneers singing group, made a series of Westerns at Columbia Pictures accompanied by the Hoosier Hot Shots. He also appeared in numerous John Ford films as a basically non-singing supporting player, including "The Searchers", and later played "Festus Hagen" on the television series "Gunsmoke" for eleven seasons. Rex Allen made his debut in films with Republic Pictures' "The Arizona Cowboy" in 1950. He is credited with making the last theatrical singing cowboy Western "Phantom Stallion" in 1954. Other notable actors who became famous as singing cowboys were Jimmy Wakely and John 'Dusty' King who appeared