James Tiberius Kirk was the commander of the original Starship Enterprise during its five-year mission of exploration in 2264-2269.
Spock was the science officer aboard the original Starship Enterprise under the command of Captain James T. Kirk. Born 2230 on planet Vulcan. His mother, Amanda Grayson, was a human schoolteacher from Earth, and his father, Sarek, was a diplomat from Vulcan. As a result, he was torn between two worlds, the stern discipline of Vulcan logic and the emotionalism of his human side. The struggle to reconcile his two halves would torment him for much of his life. Spock's Starfleet service number was S179-276 SP. As of 2267, he had earned the Vulcanian Scientific Legion of Honor, had been twice decorated by Starfleet Command, and held an A7 computer expert classification. His blood type was T-negative.
Pavel A. Chekov was navigator on the original Starship Enterprise under the command of Captain James Kirk. Born in 2245, Chekov held the rank of ensign during his first mission aboard the ship. His Starfleet serial number was 656-5827B. Pavel Andreievich Chekov was an only child, although he once imagined he had a brother named Piotr while under the influence of the Beta XII-A entity. While at Starfleet Academy, Chekov became involved with a young woman named Irina Galliulin, but the relationship did not last because Galliulin was uncomfortable with the structured way of life required by Starfleet. Years later, the two met again when Galliulin sought the mythical planet Eden with Dr. Sevrin. In 2267, Chekov was the only member of an Enterprise landing party to Gamma Hydra IV who was not affected with an aging disease. During the mission, Chekov became startled at the sight of a dead colonist. The surge of adrenaline protected him from radiation sickness that caused the aging process. Chekov was promoted to lieutenant and assigned as security chief aboard the Enterprise following the conclusion of Kirk's first five-year mission. Chekov later served aboard the U.S.S. Reliant as first officer under Captain Clark Terrell, before returning to the Enterprise after the Reliant was destroyed at the Mutara Nebula by Khan. Chekov was an honored guest during the maiden voyage of the U.S.S. Enterprise -B in 2294.
Hikaru Sulu was helm officer aboard the original Starship Enterprise under the command of Captain James Kirk. Sulu, born in 2237 in San Francisco on Earth, was initially assigned as a physicist aboard the Enterprise in 2265, but later transferred to the helm.
Uhura was communications officer aboard the original Starship Enterprise under the command of Captain James Kirk. Born in 2239, her name is derived from the Swahili word for 'freedom'.
Dr. Leonard H. McCoy was chief medical officer aboard the original Starship Enterprise under the command of Captain James Kirk, who gave him the nickname 'Bones'. As of 2267, McCoy had earned the Legion of Honor, and had been decorated by Starfleet surgeons.
Montgomery Scott was also known as 'Scotty. Chief engineer aboard the original Starship Enterprise under the command of Captain James Kirk. Scott's Starfleet serial number was SE 19754.T.