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 William Windom Commodore Decker Guest Star Elizabeth Rogers Lt. Palmer Guest Star Bill Blackburn Hadley Guest Star Eddie Paskey Leslie Guest Star John Winston Lt. Kyle Guest Star Jerry Catron Montgomery Guest Star Tim Burns Russ Guest Star John Copage Elliott Guest Star Richard Compton Washburn Guest Star Gene Roddenberry Executive Producer Norman Spinrad Writer Marc Daniels Director