Dexter
From Memory Alpha, the free Star Trek reference
Dexter was an alien Starfleet cadet in 2258 of an alternate reality. Dexter attended the hearing of James T. Kirk. When a distress call was received by Vulcan during an attack from the Narada, Dexter was assigned to the USS Enterprise as a tactical officer in the torpedo bay. (Star Trek)
Dexter was played by Jeff Chase and credited as Cadet Alien #3 in the end credits of the movie. [1]
