Born Susan Plaksin in Buffalo, New York, she is known for having played four different aliens in three different Star Trek series: Vulcan Dr. Selar and Klingon-human K'Ehleyr on Star Trek: The Next Generation, a female Q on Star Trek: Voyager, and Tarah, Star Trek's first female Andorian on Star Trek: Enterprise. She is noted for her height, standing at 6 ft 1½ in (187 cm).