British-born actor who played the gloriously overblown holodeck villain Doctor Chaotica in three episodes of Star Trek: Voyager, the black-and-white nemesis of Tom Paris's hero Captain Proton.
Martin Rayner is a British-born stage and screen actor best known to Star Trek viewers as Doctor Chaotica, the self-proclaimed ruler of the cosmos in Tom Paris's Captain Proton holodeck programme.
He first played the part in the fifth-season opener Night, returned for the full-scale pastiche Bride of Chaotica!, in which Captain Janeway has to pose as Queen Arachnia to defeat him, and appeared once more in the seventh-season episode Shattered.
Rayner pitched the performance in the style of 1930s film serial villains, all sweeping gestures and grand threats, and the character became one of the best-remembered holodeck creations of the series.