Mario Guaita, also known by the pseudonym Mario Ausonia (1881 – 1956), was an Italian actor and director. Guaita studied medicine and stopped his studies due to his hobby of powerlifting. He began performing in the theater with circus and vaudeville shows in Europe and America. In cinema he played strongman and acrobat roles for Pasquali Film and later for Gloria Film. His greatest successes in action and adventure films are The Phantom Athlete (1919), Battle of the Giants (1919), Atlas (1920) ...