His first experience in screen was at the age of sixteen in Universal Studios's "Joker" comedies. Early in his career, he was cast as an old man. By 1915, he began working for Keystone Studios. He starred in many romantic comedies with Gloria Swanson as his leading lady. The pair became popular for their great screen chemistry. However, as director Charley Chase recalled, Swanson was "frightened to death" of her co-star's dangerous stunts. He later described his Keystone days to "Motion Picture Classic:"