Marina Sirtis is a British actress best known for her role as Counselor Deanna Troi on the television series Star Trek: The Next Generation and the subsequent films. Born in London to Greek parents, she began her career in repertory theatre before moving to the United States to further her acting prospects. Beyond her iconic Star Trek role, Sirtis has appeared in numerous films and television shows, showcasing her versatile talent across different genres. She also lends her distinctive voice to various animated series and video games, continuing to be a beloved figure in science fiction and entertainment.