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Marina Sirtis (born March 29, 1955) is an English-American actress best known for her role as Counselor Deanna Troi on the television series Star Trek: The Next Generation and the four feature films that followed, as well as other appearances in the Star Trek franchise.

For Disney, she voiced Demona from the animated series Gargoyles and played Sonya Amin in the ABC TV show Grey's Anatomy.

Disney Role