Minister Kray was Minister of Science on the planet Banea. He promised to help the crew of USS Voyager repair the ship's navigational array.

When Tom Paris was accused of killing Tolen Ren, a physicist, Minister Kray punished him by having a neurological implant put in Paris' brain that made him relive the murder over and over again. Kray informed Captain Janeway and Tuvok that Paris was guilty because the evidence, the murder as seen by Ren's eyes, showed Tom committing the murder.

Tom was cleared by Tuvok, who proved that the evidence was planted by a Banean doctor who was in love with Ren's wife. (VOY: "Ex Post Facto")

Minister Kray was played by Francis Guinan, in his first of three Star Trek appearances.
His name comes from the script.
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