The version you have never seen.
Overview
Superman agrees to sacrifice his powers to start a relationship with Lois Lane, unaware that three Kryptonian criminals he inadvertently released are conquering Earth.
Cast
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
Valerie Perrine
Eve Teschmacher
Clifton James
Sheriff
E.G. Marshall
The President
Marc McClure
Jimmy Olsen
Terence Stamp
General Zod
John Ratzenberger
Controller #1
Gordon Rollings
Fisherman
Angus MacInnes
Prison Warden
Richard LeParmentier
Reporter
Don Fellows
General
Michael Shannon
President's Aide
Tony Sibbald
Presidential Imposter
Tommy Duggan
Diner Owner
Pamela Mandell
Waitress
Pepper Martin
Rocky
Shane Rimmer
Controller #2
Richard Donner
Man Walking by Diner (uncredited)
Cleon Spencer
Kid #1
Carl Parris
Kid #2
Matt Kaminsky
Looping Christopher Reeve
Austin Majors
Ranch Boy (voice)
Aaron Smolinski
Baby Kal-El
Jim Dowdall
Boris
Miquel Brown
Reporter at Daily Planet (Uncredited)
Carbon Copy
Whoops Apocalypse
Jack Kirby: Story Teller
Superman III
Hell Night
WarGames: The Dead Code
The Brave
No Retreat, No Surrender 2: Raging Thunder
Barabbas
Superman: Brainiac Attacks
Prizzi's Honor
Battle of Britain
Condorito: The Movie
Universal Soldier: Regeneration
Superman II
Wanted Man
The Death of Superman
Superman Returns
Quo Vadis
Superman vs. The Elite