Mack Swain

Mack Swain (born Moroni Swain) was a prolific early American film actor, who appeared in many of Mack Sennett’s comedies at Keystone Studios, including the Keystone Cops series. He also appeared in major features by Charlie Chaplin and starred in both the world's first feature length comedy and first film to feature a "movie-within-a-movie" premise.