Embracing his half-Vulcan side, Spock applies logical and reason to solving problems encountered by the Enterprise.
The voice of Enterprise, Uhura takes charge in coordinating communications to and from the ship.
As helmsman, Sulu pilots the U.S.S. Enterprise during its five-year mission. As third officer, Sulu often takes command in the absence of superior officers.
The passionate Dr. McCoy uses the latest medical techniques to ensure the well-being of the Enterprise crew and all they encounter.