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 Mariette Hartley Zarabeth Guest Star Majel Roddenberry Nurse Christine Chapel Guest Star Susan Howard Mara Guest Star Dick Geary Security guard Guest Star Barbara Babcock Loskene Guest Voice David L. Ross Lt. Johnson Guest Star Bill Blackburn Hadley Guest Star Naomi Pollack Native American Guest Star Roger Holloway Roger Lemli Guest Star Victor Brandt Watson Guest Star Louie Elias 1st Technician Guest Star Paul Baxley Freeman Guest Star Jay D. Jones 2nd Technician Guest Star Gene Roddenberry Executive Producer Gene L. Coon Writer John Meredyth Lucas Writer, Director Jean Lisette Aroeste Writer Arthur Heinemann Writer Jerome Bixby Writer Margaret Armen Writer Edward J. Lakso Writer Michael Adams Writer D.C. Fontana Writer Jud Taylor Director Marvin J. Chomsky Director David Alexander Director Ralph Senensky Director Chet Richards Writer George F. Slavin Writer Murray Golden Director Herb Wallerstein Director Herschel Daugherty Director