Vicki Ree Principal (born January 3, 1950), later known as Victoria Principal, is an American actress, producer, entrepreneur, and author, best known for her role as Pamela Barnes Ewing on the American primetime television soap opera series "Dallas". She spent nine years on the long-running series, leaving in 1987. Afterwards, she began her own production company, Victoria Principal Productions, focusing mostly on television films. In the mid-1980s, she became interested in natural beauty therapies, and in 1989, she created a self-named line of skincare products, Principal Secret.