- Trevor Howard - 1st Elder
- Jack O'Halloran - Non
- Maria Schell - Vond-Ah
- Terence Stamp - General Zod
- Susannah York - Lara
- Marc McClure - Jimmy Olsen
- Sarah Douglas - Ursa
- Harry Andrews - 2nd Elder
- Jeff East - Young Clark Kent
- Diane Sherry Case - Lana Lang
- Vass Anderson - 3rd Elder
- John Hollis - 4th Elder
- James Garbutt - 5th Elder
- Michael Gover - 6th Elder
- David Neal - 7th Elder
- William Russell - 8th Elder
- Penelope Lee - 9th Elder
- John Stuart - 10th Elder
- Alan Cullen - 11th Elder
- Aaron Smolinski - Baby Clark Kent
- Billy J. Mitchell - 1st Editor
- Robert Henderson - 2nd Editor
- Larry Lamb - 1st Reporter
- John Cassady - 3rd Reporter
- John F. Parker - 4th Reporter
- Harry Scott - 5th Reporter
- Ray Evans - 6th Reporter
- Miquel Brown - 8th Reporter
- Vincent Marzello - 1st Copy Boy
- Benjamin Feitelson - 2nd Copy Boy
- Lise Hilboldt - 1st Secretary
- Leueen Willoughby - 2nd Secretary
- Rex Reed - Rex Reed
- Weston Gavin - Mugger
- Steve Kahan - Officer 1
- Ray Hassett - Officer 2
- Randy Jurgensen - Officer 3
- Matt Russo - News Vendor
- Colin Skeaping - Pilot
- Bo Rucker - Pimp
- Paul Avery - TV Cameraman
- David Baxt - Burglar
- George Harris II - Patrolman Mooney
- John Cording - 2nd Hood
- Oz Clarke - 4th Hood
- Rex Everhart - Desk Sergeant
- Jayne Tottman - Little Girl
- Frank Lazarus - Air Force One Pilot
- Brian Protheroe - Co Pilot
- Lawrence Trimble - 1st Crewman
- Robert Whelan - 2nd Crewman
- David Calder - 3rd Crewman
- Norwich Duff - Newscaster
- Keith Alexander - Newscaster
- Michael Ensign - Newscaster
- Larry Hagman - Major
- Paul Tuerpe - Sgt. Hayley
- Graham McPherson - Lieutenant
- David Yorston - Petty Officer
- Robert O'Neill - Admiral
- Robert MacLeod - General
- John Ratzenberger - 1st Controller
- Alan Tilvern - 2nd Controller
- Phil Brown - State Senator
- Bill Bailey - 2nd Senator
- Burnell Tucker - Agent
- Chief Tug Smith - Indian Chief
- Norman Warwick - Superchief Driver
- Chuck Julian - Assistant
- Mark Wynter - Mate
- Roy Stevens - Warden
- Noel Neill - Ella Lane (uncredited)
- Kirk Alyn - Sam Lane (uncredited)
- Tony Selby - Hood (uncredited)
- Bruce Boa - General (extended version) (uncredited)
- David de Keyser - Warden (voice) (uncredited)
- Richard Donner - Man in Street (extended version) (uncredited)
- Harry Fielder - Policeman (uncredited)
- Alan Harris - Man on Daily Planet Rooftop (uncredited)
- Shane Rimmer - Naval Transport Commander (uncredited)
- Marco St. John - Mugger's Arm in Alley (uncredited)
- Barrie Holland - New York Businessman (uncredited)
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Baltasar Kormákur
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Magnús Viðar Sigurðsson, Baltasar Kormákur
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