The name of Troi's species hadn't yet been determined in 1986, but Trekkies can now tell you that she is half-human and half-Betazoid. Marina Sirtis was cast in the role, and she was a 30-year-old ...

Half-human and half-Betazoid, Deanna had the ability to sense the emotions of those around her. Not only did this make her a better ship's counselor, but it also allowed her to help Captain Jean ...