Deanna Troi is a main character in the science-fiction television series Star Trek: The Next Generation and related TV series and films, portrayed by actress Marina Sirtis. Troi is half-human, half-Betazoid, and has the psionic ability to sense emotions. She serves as the ship's counsellor on USS Enterprise-D. Throughout most of the series, she holds the rank of lieutenant commander. In the seventh season, Troi takes the bridge officer's examination and is promoted to the rank of commander, but continues as counsellor.
Marina Sirtis as Deanna Troi
Marina Sirtis is cast as Deanna Troi, a half-Betazoid Starfleet officer that uses her telepathic abilities to navigate her duties and personal life.
Star Trek: The Next Generation
Star Trek: The Next Generation (TNG) is an American science fiction television series created by Gene Roddenberry. It originally aired from September 28, 1987, to May 23, 1994, in syndication, spanning 178 episodes over seven seasons. The third series in the Star Trek franchise, it was inspired by Star Trek: The Original Series. Set in the latter third of the 24th century, when Earth is part of the United Federation of Planets, it follows the adventures of a Starfleet starship, the USS Enterprise (NCC-1701-D), in its exploration of the Alpha quadrant and Beta quadrant in the Milky Way galaxy.
Re-creation of the TNG starship bridge for Star Trek: The Exhibition
Bridge stations within the USS Enterprise (NCC-1701-D), as seen at Star Trek: The Experience
Denise Crosby and Gates McFadden were in Season 1 as Tasha Yar and Doctor Crusher respectively, but were removed for Season 2. McFadden then returned for Season 3 as a regular and remained as such for the rest of the series, while Crosby appeared sporadically.
LeVar Burton starred as Geordi La Forge in all seven seasons airing between 1987 and 1994, and four TNG movies premiering between 1994 and 2002. In the second season, the character became Chief Engineer aboard the Enterprise D, remaining so for the rest of the series.
