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 John Fiedler Hengist Guest Star Charles Macaulay Jaris Guest Star Pilar Seurat Sybo Guest Star Joseph Bernard Tark Guest Star Charles Dierkop Morla Guest Star Tanya Lemani Kara Guest Star John Winston Transporter chief Guest Star Virginia Aldridge Karen Tracy Guest Star Judith McConnell Yeoman Tankris Guest Star Judi Sherven Nurse Guest Star Majel Roddenberry Computer Guest Voice Marlys Burdette Barista 1 Guest Star Suzanne Lodge Barista 3 Guest Star Gene Roddenberry Executive Producer Robert Bloch Writer Joseph Pevney Director