Is a vegetarian.

She is a big fan of soccer club Tottenham Hotspur.

Originally auditionned for the part of Tasha Yar in "Star Trek: The Next Generation" (1987)

Has stated that her favorite episode of "Star Trek: The Next Generation" is "Face of the Enemy."

Sometimes wore hair-pieces for her role as Deanna Troi in Star Trek The Next Generation. Marina's real hair was slightly shorter, and although curly, was not as bouffant as her character's. However, Marina's real hair was used in the first two seasons, and also in the first six episodes of season six, in which Troi sported a pony-tailed style.

She is a big soccer fan because her little brother Steve plays this sport in Greece.

Was one of the "Next Generation" cast to attend "Star Trek" conventions while still filming the last episodes of season seven (to begin pre-production of Star Trek: Generations (1994)). One of which was her 1994 appearance in Tulsa, Oklahoma, at the Mariott Southern Hills. She signed the popular 1992 Peter David-penned "Imzadi" novel about young Riker and Troi, as well as speaking about the series finale and the movie to fans.

Has appeared in episodes of four different series with Jonathan Frakes: "Star Trek: The Next Generation" (1987), "Gargoyles" (1994), "Gargoyles: The Goliath Chronicles" (1996), and "Enterprise" (2001).

Has several action figures modeled after her likeness and her character Counselor Deanna Troi from "Star Trek: The Next Generation" (1987).

Speaks Greek fluently

Her father died on 24 October 1981, exactly ten years before "Star Trek" (1966) creator Gene Roddenberry

Along with Jonathan Frakes, Armin Shimerman, John de Lancie, Michael Ansara, and Richard Poe, she is one of only six actors to play the same character on three different 'Star Trek' series. She played Counselor Deanna Troi in "Star Trek: The Next Generation" (1987), "Star Trek: Voyager" (1995), and "Enterprise" (2001).

After Gene Roddenberry's death, she explained how it reminded her of the same for one of her father. For this, she mourned with Majel Barrett-Roddenberry and admitted she felt even closer, as her on-screen daughter and feeling like her real-life daughter.

Played the stewardess in the now classic and famous Cinzano Bianco advert staring Leonard Rossiter and Joan Collins. You may remember the end where Rossiter pats the arm of Joan Collin's seat causing it to suddenly recline and she ends up throwing the drink her own face. "Ah, getting your head down. Good idea," he says.

After her audition for the "Star Trek: The Next Generation" (1987), Marina felt her audition was unsuccessful and was just about to jump on a flight home to London. Only minutes before she did so, they called back and told her she had gotten the part of Counsellor Deanna Troi.

Along with Jonathan Frakes, Brent Spiner, Michael Dorn, Colm Meaney, and Jeffrey Combs, she is one of only six actors to appear in the finales of two different "Star Trek" series ("Star Trek: The Next Generation" (1987) and "Enterprise" (2001)).

Last name is pronounced SIR-tiss (October 2007).

Through the Fire (2002) (TV) was a sitcom pilot episode written by Marina's best friend, Michael Dorn, and featured her as a cast member. It was never sold to a Network.

Has attended "Star Trek" conventions in Alberta, Canada, at least four times as of June 2004. She has visited Calgary, Alberta; Edmonton, Alberta; and Vulcan, Alberta.

Wore black-colored contact lenses during "Star Trek: The Next Generation" (1987)'s 7-year run and the subsequent films because her character had black eyes. Marina's eyes are light brown.

Fellow "Star Trek: The Next Generation" (1987) cast members Brent Spiner and Michael Dorn were groomsmen at her wedding.

Occasionally attends Star Trek conventions so that her loving fans can meet her, and she can meet the fans.

Supports animal-rights causes.