Superman III

Aiming to defeat the Man of Steel, wealthy executive Ross Webster hires bumbling but brilliant Gus Gorman to develop synthetic kryptonite, which yields some unexpected psychological effects. Between rekindling romance with his high school sweetheart and saving himself, Superman must contend with a powerful supercomputer.

• 
  Christopher Reeve

  Clark Kent / Superman
• 
  Richard Pryor

  August 'Gus' Gorman
• 
  Jackie Cooper

  Perry White
• 
  Marc McClure

  Jimmy Olsen
• 
  Annette O'Toole

  Lana Lang
• 
  Annie Ross

  Vera
• 
  Pamela Stephenson

  Lorelei
• 
  Robert Vaughn

  Ross Webster
• 
  Margot Kidder

  Lois Lane
• 
  Gavan O'Herlihy

  Brad