Commander William Riker (Jonathan Frakes) and Counselor Deanna Troi (Marina Sirtis) may not have officially gotten together ...
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 ...