Kirk Alyn as Superman
Kirk Alyn (born John Feggo Jr., October 8, 1910 – March 14, 1999) was an American actor, best known for being the first actor to play the DC Comics character Superman in live-action for the 1948 movie serial Superman and its 1950 sequel Atom Man vs. Superman, as well as Blackhawk from the Blackhawk movie serial in 1952, and General Sam Lane in 1978's Superman: The Movie.