Kirk Alyn (1910–1999) was an American actor, best known for being the first actor to play Superman in live-action in Superman serial and Atom Man vs. Superman as well as Blackhawk in the Blackhawk serial, and Sam Lane in Superman: The Movie. Alyn started as a chorus boy for Broadway plays, appearing in notable musicals such as Girl Crazy, Of Thee I Sing, and Hellzapoppin' during the 1930s. He also worked as a singer and dancer in vaudeville before relocating to Hollywood during the early 1940s to act for feature movies, but he was successful only in gaining bit parts for low-budget movies before obtaining the role of Superman in 1948. During World War II he served in the United States Navy. Alyn also featured in movie serials, including Federal Agents Vs. Underworld Inc., Radar Patrol Vs. Spy King and Blackhawk. Alyn played Superman f...