William Shatner Capt. James T. Kirk Actor Leonard Nimoy Mr. Spock Actor DeForest Kelley Dr. Leonard McCoy Actor James Doohan Engineer Montgomery Scott Actor Nichelle Nichols Lt. Uhura Actor George Takei Lt. Sulu Actor Walter Koenig Ensign Pavel Chekov Actor Joseph Ruskin Galt Guest Star Mickey Morton Kloog Guest Star Angelique Pettyjohn Shahna Guest Star Steve Sandor Lars Guest Star Jane Ross Tamoon Guest Star Victoria George Ensign Jana Haines Guest Star Dick Crockett Andorian thrall Guest Star Bart La Rue Provider 1 Guest Voice Walker Edmiston Provider 2 Guest Voice Robert Johnson Provider 3 Guest Voice Gene Roddenberry Executive Producer Margaret Armen Writer Gene Nelson Director