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Starfleet Database: Characters
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Deanna Troi

Species: female human/Betazoid
Rank: Commander
Date of birth: March 29, 2336
Place of birth: Betazed
Parents: Ian Andrew Troi (deceased) and Lwaxana Troi
Sister: Kestra Troi (deceased)
Son: Ian Andrew Troi ("deceased", actually a non-corporeal lifeform)
Marital status: married with William T. Riker, previously engaged with Wyatt Miller

Counselor aboard the Enterprise-D and Enterprise-E under the command of Captain Jean-Luc Picard (TNG: "Encounter at Farpoint"). She later transferred to the USS Titan along with her husband, Captain William Riker ("Star Trek Nemesis").

Daughter of Lwaxana Troi and Ian Andrew Troi, Deanna was betrothed to Wyatt Miller through the Betazoid custom of genetic bonding when they were both children. Deanna and Wyatt never married, though, because Wyatt chose to join the last surviving Tarellians in search of a cure for the Tarellian plague (TNG: "Haven"). When she was growing up, Deanna did not know that she had an older sister, Kestra Troi, who died when Deanna was only an infant (TNG: "Dark Page"). Deanna's father used to read her heroic stories about the ancient American West on planet Earth, and she remained fond of these stories into her adulthood (TNG: "A Fistful of Datas"). Troi studied psychology at the University of Betazed prior to joining Starfleet (TNG: "Tin Man"). She graduated from the academy in 2359 (TNG: "Conundrum").

While a psychology student on Betazed, Troi became romantically involved with Lieutenant William T. Riker (TNG: "Ménage a Troi"). Troi had hopes of a serious commitment between the two, but Riker's career plans took him away to an assignment aboard the USS Potemkin (TNG: "Encounter at Farpoint", "Second Chances"). While the two were serving together aboard the Starship Enterprise-D, they never resumed their relationship. Instead of that, Deanna began dating Worf in 2370 (TNG: "All Good Things, Part I and II"). It was not until their visit to the Ba'ku homeworld on the Enterprise-E that Deanna fell in love with Riker once again ("Star Trek: Insurrection"). The two got married in Alaska on Earth, Riker's birth place, in 2379, with the traditional ceremony still to follow when the Shinzon crisis forced the ship to alter its course ("Star Trek: Nemesis").

Troi was once involuntarily impregnated by an unknown non-corporeal lifeform. She named the child Ian Andrew Troi after her late father (TNG: "The Child"). Troi suffered a brief loss of her empathic powers in 2367 from proximity to a newly discovered group of two-dimensional creatures. Although Troi found the loss disconcerting, she was pleased to discover that she could still function as ship's counselor without her Betazoid abilities (TNG: "The Loss"). Counselor Troi assumed temporary command of the Enterprise-D on stardate 45156 when the ship was disabled from collision with two quantum filaments. Troi, who held the rank of Lieutenant commander, was the senior officer on the bridge at the time (TNG: "Disaster"). She later undertook the field training program for advancement to the rank of commander. She passed the Bridge Officer Exam and was promoted to full commander on stardate 47611 (TNG: "Thine Own Self"). In 2369 Deanna Troi was kidnapped by a Romulan underground movement. Disguised as Major Raka of the Tal'Shiar she helped high-ranking members of the Romulan government to defect to the Federation (TNG: "Face of the Enemy"). When the Reman viceroy built a telepathic link to her, Deanna's mind was successfully connected to the ship's sensors to detect the perpetrator on the cloaked Scimitar ("Star Trek Nemesis").

Troi said she never met a chocolate she didn't like (TNG: "The Price", "The Game"). In 2370, Troi was assigned as liaison officer for Iyaaran ambassador Loguel. Troi commented that the ambassador had tested even her limits for chocolate (TNG: "Liaisons").

Marina Sirtis

Marina Sirtis was born in London, England, to Greek parents, Despina (Yianniri), a tailor's assistant, and John Sirtis. Her parents did not want her to become an actress. As soon as Marina completed high school, she secretly applied to the Guildhall School of Music and Drama. After her graduation, she worked in musical theater, repertory and television. In 1986, she moved to Los Angeles, California to boost her career. For six months, she auditioned for roles but was unsuccessful. Just before she planned to go back home, she got the role of Counselor Deanna Troi on Star Trek: Nová generácia (1987). After the series ended, she reprised her role for a string of successful Star Trek films: Star Trek VII: Generácie (1994), Star Trek VIII: Prvý kontakt (1996), Star Trek IX: Vzbura (1998), and Star Trek X: Nemezis (2002). In 1992, Sirtis married rock guitarist Michael Lamper. She occasionally attends Star Trek conventions so that her loving fans can meet her, and she can meet the fans.