Robert (Bob) Picardo- Star Trek Voyager

Bob -played the Doctor, a holographically projected computer program devised by Starfleet as the Emergency Medical Hologram (EMH). When the Starship U.S.S. Voyager was catapulted to the Delta Quadrant, the human doctor aboard was killed, and the EMH was activated to become the ship's resident physician. The virtual doctor has since become a full-fledged member of the Voyager crew.

Marina Sirtis - best known as Deanna Troi, the psychic counselor, for seven years on the television series Star Trek: The Next Generation, as well as her co-starring role with Patrick Stewart in the feature films Star Trek: Generations, Star Trek: First Contact and Star Trek: Insurrection.

Eugene Wesley Roddenberry, Jr., also known as Rod, was born into a family empire that is adored by fans worldwide. He is the son of legendary science fiction producer Gene Roddenberry, whose television series Star Trek changed the face of television. Balancing his personal creativity with the responsibility of his family legacy, it is Eugene's ambition to be the guardian of his father's ideals as well as a champion of their introduction to a new generation.

John de Lancie "Q" from  Star Trek: The Next Generation will be on the 2010 Star Trek Cruise from Ft. Lauderdale, FL.

Biography

(from StarTrek .com)

John de Lancie, whose portrayal of the mercurial character Q in Star Trek: The Next Generation has made him internationally (if not intergalactically) famous, was not always an omnipotent being descended from the Q Continuum. In fact, he comes from Philadelphia.

Named one of the world's "50 Sexiest Women" by Femme Fatales Magazine, Chase Masterson was first recognized for her break-out role as "Leeta" in the final five seasons of Star Trek: Deep Space Nine.