Memory Alpha
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Memory Alpha

Doctor Hirai was one of the Federation's leading specialists in astrolinguistics, xenophonology, and theoretical semiotics in the late 32nd century.

In 3190, he served on the DMA task force to offer his expertise in establishing parameters for successful communication with Unknown Species 10-C. Though Dr. Kovich could not join the mission to make first contact, he trusted Dr. Hirai's expertise to offer direction in communications to the USS Discovery and the accompanying delegates in crossing the galactic barrier. (DIS: "The Galactic Barrier")

Hirai was played by Hiro Kanagawa.
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