It's Only Muscle [1328718] Released: 1950-08-12 Revenue: $0 Budget: $0 Profit: $0 Runtime: 9 mins Popularity: 0.0404 Vote Average: 0 Vote Count: 0 Overview: This RKO Pathe Screenliner film presents a parody of bodybuilder Charles Atlas. Atlas was an Italian American man best remembered as the developer of a specific bodybuilding method and associated exercise programs. Featuring comedy actor Arnold Stang, the film portrays a young man who joins a gym to gain muscles, defeat a bully, and get women. Cast [1] Arnold Stang Trailers