Answer
Marina Sirtis reprised her role as Deanna Troi in "Star Trek: Picard." Troi, a half-human, half-Betazoid, is an empath with the ability to sense the emotions of others. She served as a counselor on the Enterprise-D and Enterprise-E in previous "Star Trek" series. In "Picard," Troi is a retired Starfleet admiral who has become a therapist and is helping Picard cope with his trauma.