<P> List of actors who have appeared on Star Trek: The Original Series </P> <Ul> <Li> William Shatner as James T. Kirk, commanding officer of the USS Enterprise . </Li> <Li> Leonard Nimoy as Spock, first officer and science officer . </Li> <Li> DeForest Kelley as Leonard McCoy, chief medical officer . </Li> <Li> James Doohan as Montgomery Scott, chief engineer . </Li> <Li> Nichelle Nichols as Uhura, communications officer . </Li> <Li> Walter Koenig as Pavel Chekov, navigator and security / tactical officer . </Li> <Li> George Takei as Sulu, helmsman . </Li> </Ul>

Who was the original cast of star trek