Season Regulars 6

1. 

   William Shatner

   James T. Kirk

2. 

   Leonard Nimoy

   Spock

3. 

   DeForest Kelley

   Dr. McCoy

4. 

   James Doohan

   Scott

5. 

   George Takei

   Sulu

6. 

   Nichelle Nichols

   Uhura

Gastdarsteller 9

1. 

   Ricardo Montalban

   Khan Noonien Singh

2. 

   Madlyn Rhue

   Marla McGivers

3. 

   Eddie Paskey

   Lt. Leslie (uncredited)

4. 

   John Winston

   Lt. Kyle

5. Bobby Bass

   Guard (uncredited)

6. MaKee K. Blaisdell

   Spinelli

7. Mark Tobin

   Joaquim

8. 

   Frank da Vinci

   Lt. Clifford Brent

9. 

   Ron Veto

   Harrison

Crew 18