(written from a Production point of view)
Joey Sakata (born 17 May 1966; age 49) is a stuntman and actor who portrayed an engineer in the final Star Trek: Voyager episode "Endgame", where he was credited as Engineering N.D. in the end credits of the episode. Sakata performed stunts in at least one more episode of Star Trek: Voyager. The costume from his second appearance was sold off on the It's A Wrap! sale and auction on eBay. 
Sakata was born in Torrance, California and performed stunts in the action thriller True Vengeance (1997) and in the thriller Red Corner (1997, with Tzi Ma and stunts by Phil Chong, Kenny Endoso, Al Goto, Scott Wilder, Diana Lee Inosanto, James Lew, and stunt coordination by Buddy Joe Hooker). In the 2002 action film Power Elite, Sakata portrayed a supporting role as a subway terrorist.
(This list is currently incomplete.)