(written from a Production point of view)
Brian Donofrio, sometimes listed as Brian D'Nofrio, is an actor who was one of the regular background performers on Star Trek: Voyager. He appeared as a sciences division officer and multiple alien characters including Vidiian, Klingon and Borg. As a background performer he received no credit for his appearances. Donofrio also worked as a frequent stand-in on Voyager.