She was professional model before gaining international fame for her roles in Baywatch Nights and as New York A. Harmon worked as a child model, and in 1987 won a Seventeen modeling contest.
Harmon chose to raise their children in North Carolina, even while she had to film her TNT series in Hollywood.
In the early , she entered into the acting world by starring the role of Debbie Prentice in an American television series Renegade. She has also appeared in the movies like Batman Beyond: Return of the Joker, Agent Cody Banks, Glass House: The Good Mother and much more.
She also portrayed the role of Ryan Mc Bride in an American police and science fiction drama series Baywatch Nights that year. In Jason Sehorn is a retired American football cornerback.
Settled down in New York, she then appeared in various magazines, such as Vogue, Bazaar, Cosmopolitan, GQ, and Esquire while also walked the runways for some notable designers, like Calvin Klein, Giorgio Armani, and Ralph Lauren.
Her first foray into acting began when she was invited by David Hasselhoff to enter an audition for the female leading role in a spin-off of popular TV series, Baywatch (1989-2001), when they were on the same transcontinental flight.