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| Star
Trek: The Original Series (TOS) |
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DeForest
Kelley
(Doctor Leonard H. "Bones" McCoy) (76 episodes) |
| Bones
was assigned as lieutenant commander, named chief medical
officer under Capt. James T. Kirk. He replaced Mark Piper
as chief medical officer in 2266 on one of the ship's
five-year missions. |
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George
Takei
(Lieutenant Hikaru Sulu) (51 episodes) |
| Sulu
was a lieutenant, assigned as staff physicist under Capt.
Kirk. In 2266 Transferred to helm officer aboard the Enterprise.
Sulu assumed command of the Excelsior and began charting
gaseous anomalies in the Beta Quadrant. |
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James
Doohan
(Chief Engineer Montgomery "Scotty" Scott) (66
episodes) |
| Scotty
was assigned as lieutenant commander, and became chief
engineer under on the Enterprise. He was rescued from
75-year transporter loop after he was on his way to retirement,
and was left to go on his own in a shuttlecraft. |
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Leonard
Nimoy
(Lt. Commander Spock) (80 episodes) |
| Spock
was assigned as cadet under Capt. Christopher Pike, on
the Enterprise, and commissioned as ensign, still under
Pike. In 2265, assigned as lieutenant commander, named
first officer and science officer under Capt. James T.
Kirk aboard Enterprise; promoted to commander soon after. |
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Walter
Koenig
(Pavel Andreievich Chekov) (37 episodes) |
| Chekov
as an ensign, took first posting the Enterprise under
Capt. James T. Kirk as navigator. Promoted to lieutenant,
named security chief to Capt. Will Decker on refit of
Enterprise. Assigned to the U.S.S. Reliant in 2277 and
promoted to commander within eight years. |
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William
Shatner
(Captain James T. Kirk) (79 episodes) |
| Captain
Kirk was assigned command of U.S.S. Enterprise for five-year
mission in 2264. When he returned from his five-year mission,
he was promoted to admiral in charge of fleet operations
at Earth. Reappears in the Nexus long enough to help Captain
Picard save planet Veridian III. |
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