• 
  Hal Sutherland

  regizor

• 
  James Doohan

  Scotty
• 
  Leonard Nimoy

  Dl. Spock
• 
  William Shatner

  Capitanul James T. Kirk
• 
  Nichelle Nichols

  Uhura / dr. Sarah April / Karla Five
• 
  Ed Bishop

  Asmodeus (1 episode, 1973)
• 
  Ted Knight (I)

  Carter Winston  (1 episode, 1973)
• 
  DeForest Kelley

  Dr. McCoy (22 episodes, 1973-1974)

• 
  George Takei

  Sulu  (22 episodes, 1973-1974)
• 
  Majel Barrett

  Nurse Chapel  (21 episodes, 1973-1975)
• 
  Stan Adams

  Cyrano Jones (1 episode, 1973)
• 
  Stanley Adams

  Cyrano Jones (1 episode, 1973)
• 
  Roger C. Carmel

  Harcourt Fenton Mudd (1 episode, 1973)

• 
  Gene Roddenberry

  creat de