(written from a Production point of view)
Clay Hodges is the actor who appeared in at least three different roles in three Star Trek productions.
He first appeared as the Acamarian bodyguard in the Star Trek: The Next Generation third season episode "The Vengeance Factor" in 1989. He then portrayed the second Klingon officer in Star Trek VI: The Undiscovered Country and ten years later a Benkaran prisoner in the Star Trek: Voyager episode "Repentance". As a background performer he received no credit for this appearances. His costume from his third appearance was later sold off on the It's A Wrap! sale and auction on eBay.  Hodges filmed his scenes as a Klingon with fellow actor David Orange on Tuesday 9 April 1991 on Paramount Stage 15.