Greta Kale was a Human female and a Starfleet officer with the rank of ensign in 2372. She had blond hair, dark brown eyes, and freckles across her nose.

Kale served aboard the USS Voyager in 2371 after it was taken to the Delta Quadrant. In 2372, Kale was part of an away team sent to a planet occupied by the Kazon-Vistik. When the away team split up, she was part of Neelix's group which was assigned to search for food. (VOY novel: Mosaic)