Lieutenant Trillya was a female Starfleet officer who was the communications officer aboard the Federation starship USS Shepard under Captain Clampett. In the year 2286, the Shepard was among the vessels disabled by an unknown alien probe when Trillya sent a distress call to Starfleet Headquarters. (TOS movie: The Voyage Home)
- Trillya was played by Jane Wiedlin, rhythm guitar and background singer for the music band The Go-Go's. It was never specified if she was human or of a human-looking species.