Kirk Alyn 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 fellow DC Comics characters Blackhawk from the Blackhawk movie serial in 1952, and Lois Lane's father Sam Lane in 1978's Superman: The Movie.

Virginia Lee O'Brien was an American actress, singer, and radio personality known for her comedic singing roles in Metro-Goldwyn-Mayer musicals of the 1940s.