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Lt. Hadley / Lt Hadley / Android / Eminiar Technician / Engineer / Gideon Inhabitant / Gorn / Hadley / Klingon / Rocket Base Technician / S.S. Trooper / White Rabbit
(TV Series) (stand-in - 75 episodes)
Billy Blackburn | William Blackburn
Did You Know?
Was an uncredited extra in most episodes of the original "Star Trek". Frequently played Lt Hadley, seen on the bridge, or walking around the halls of the Enterprise, but he could and did turn up in any other available extra role, sometimes in costumes which fully obscured his face. He also did minor stunts on the show. All his parts were non-speaking.