For the similarly named individual, please see Manas.

Ensign Mannus was an operations division Starfleet officer assigned to the USS Voyager under Captain Kathryn Janeway during the 2370s.

Neelix reported to The Doctor from the mess hall that Mannus had become violently ill from space sickness due to a temporal disruptor in 2375. When The Doctor arrived, Neelix reported that he made no such call, and that Mannus had been fine for the past hour. Seconds later, Mannus collapsed and was revived by The Doctor, which eventually lead to the discovery that there was a seven minute time lapse between the mess hall and sickbay. (VOY: "Relativity")

Mannus was played by an unknown actor.
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