1. Nurse Christine Chapel in Star Trek: The Original Series, Star Trek: The Animated Series, Star Trek: The Next Generation, and Star Trek: Deep Space Nine.
2. Lwaxana Troi, Deanna Troi's mother, in Star Trek: The Next Generation, Star Trek: Voyager, and Star Trek: Deep Space Nine.
She also provided the voice of the computer in Star Trek: The Original Series, Star Trek: The Next Generation, and Star Trek: Voyager.