Wiry and thin with long fingers ending in trimmed nails and burnt fingers from hot swapping control circuits and subspace signal nodes. Cat doesn’t always look like a shining example of a starfleet officer. Her short black hair never seems to follow orders and instead whisps about every time Cat moves from one project to the next.
Fierceness shines in Cat’s yellow-gold eyes, like she has never met a problem she couldn’t just beat into submission through her stuborn determination. She never views failure as anything more than a lesson.
Her uniform is only barely within regulation and always worn in whatever configuration provides the most coverage.
A constellation of scars exists around her right eye, burns an cuts from where a prototype technology she was working on catastrophically failed, she insists on keeping the scars as a reminder

She is a full lieutenant in the Command division, currently serving as the Chief Flight Controller aboard the Odyssey.

In ‘Broken Time’, Domino left the ship with a being who appeared as Dr. John Stewart. She and Lt. Kalen left the Odyssey to explore the universe.