• 
  Leonard Nimoy

  regizor

• 
  William Shatner

  Amiralul James T. Kirk
• 
  Leonard Nimoy

  Spock
• 
  DeForest Kelley

  Leonard H. McCoy
• 
  James Doohan

  Montgomery Scott
• 
  George Takei

  Hikaru Sulu
• 
  Walter Koenig

  Pavel Chekov
• 
  Nichelle Nichols

  Uhura

• 
  Christopher Lloyd

  Cmdr. Kruge
• 
  Judith Anderson

  Vulcan High Priestess
• 
  Miguel Ferrer

  First Officer
• 
  Robert Hooks

  Adm. Morrow
• 
  John Larroquette

  Maltz
• 
  Branscombe Richmond

  Gunner #2
• 
  Grace Lee Whitney

  Janice Rand

• 
  Harve Bennett

  Flight recorder
• 
  James Sikking

  Capt. Styles
• 
  Phil Morris

  Trainee Foster
• 
  Carl Steven

  Spock...Age 9
• 
  Scott McGinnis

  Mr. Adventure
• 
  Robin Curtis

  Lt. Saavik
• 
  Charles Correll

  Space Dock worker
• 
  Judi M. Durand

  Space Dock controller
• 
  Merritt Butrick

  David
• 
  Stephen Manley

  Spock - age 17