Superman agrees to sacrifice his powers to start a relationship with Lois Lane, unaware that three Kryptonian criminals he inadvertently released are conquering Earth.
Christopher Reeve
Clark Kent / Superman
Margot Kidder
Lois Lane
Gene Hackman
Lex Luthor
Marlon Brando
Jor-El
Ned Beatty
Otis
Jackie Cooper
Perry White
Sarah Douglas
Ursa
Jack O'Halloran
Non
