Yeoman Janice Rand. Portrayed by actress Grace Lee Whitney.
Lieutenant Worf is played by Michael Dorn.
Sulu .
In star trek the next generation, Brent spiner played lieutenant commander Data.
Tarik Ergin plays the role of Lieutenant Junior Grade Ayala .
Uhura
uhura
in a way
Kirstie Alley
In which Star Trek??? If he wears a blue uniform and has a bit of hair round the edge of his head and features in Star Trek Voyager, chances are it is Robert Picardo or in Star Trek The Next Generation - Patrick Stewart. Bald is a very vague term ;)
Nichelle Nichols played the role of Lieutenant Nyota Uhura in the original Star Trek series from the 1960s .
1982 : Kirstie Alley played the role of Vulcan Starfleet Officer Lieutenant Saavik in the film "Star Trek II: The Wrath of Khan" .
Kirstie Alley