Tricia O'Neil is an American actress.
Born in Shreveport, Louisiana, O'Neil began her career as a model and cover girl before turning to acting. She first appeared in television commercials, then was cast many popular television series. She played Dr. Maggie "Mo" Sullivan in the early, first season episode "Black Day at Bad Rock" of The A-Team, and was popular enough to be one of the very few guest characters to return in a later episode. Other appearances include Hart To Hart, as female stunt woman "Charlie" in the episode of the same name in the first season of The Fall Guy, Remington Steele, as conniving "other woman" Ashley Vickers in the pilot episode of Murder, She Wrote, as a pushy reporter in the second season episode "Catch Of The Day" in Riptide, and as the owner of a travelling Wild West Rodeo show in the third season Airwolf episode "Annie Oakley".
She portrayed the first female captain of an Enterprise-series starship in Star Trek: The Next Generation, in the episode "Yesterday's Enterprise" and the Klingon Kurak, in the episode "Suspicions". Later she guest-starred on Star Trek:DS9 as Cardassian Korinas in the episode "Defiant".