• 
  Leonard Nimoy

  regizor

• 
  William Shatner

  Amiralul / Capitanul James T. Kirk
• 
  Leonard Nimoy

  Spock
• 
  DeForest Kelley

  Dr. Leonard McCoy
• 
  James Doohan

  Montgomery Scott
• 
  George Takei

  Hikaru Sulu
• 
  Walter Koenig

  Pavel Chekov
• 
  Nichelle Nichols

  Nyota Uhura

• 
  Michael Berryman

  Starfleet display officer
• 
  Majel Barrett

  Dr. Christine Chapel
• 
  Robert Ellenstein

  Federation Council President
• 
  Viola Kates Stimpson

  Lady in tour
• 
  Bob Sarlatte

  Chelner
• 
  John Schuck

  Klingon Ambassador
• 
  Catherine Hicks

  Dr. Gillian Taylor

• 
  Grace Lee Whitney

  Commander Janice Rand
• 
  Raymond Singer

  Young doctor
• 
  Joe Lando

  Shore Patrolman
• 
  Robin Curtis

  Lieutenant Saavik
• 
  Jane Wyatt

  Amanda
• 
  Kirk R. Thatcher

  Punk on bus / Vulcan computer voice
• 
  Brock Peters

  Admiral Cartwright
• 
  Mark Lenard (I)

  Sarek
• 
  Michael Snyder

  Starfleet Communications Officer