The version you have never seen.
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
Valerie Perrine
Eve Teschmacher
Clifton James
Sheriff
E.G. Marshall
The President
Marc McClure
Jimmy Olsen
