In the early 1960s, Mitchell has great success in Europe he starring in movies: "Erik the Conqueror" (1961) - "Caesar the Conqueror" (1962) - "Attack of the Normans" (1962) - "The Black Duke" (1963) -"Last Gun" (1964), "Minnesota Clay" (1964), "In the Shadow of the Eagles" (1966) - "I coltelli del vendicatore" (1966), "Island of the Doomed" (1967). 