Rebecca de Mornay was born to a family with deep roots in the arts. Her father, Philippe de Mornay, was a French filmmaker, and her mother, Joan Stanley, was a television producer. Growing up in such an environment, Rebecca was exposed to the world of entertainment from a young age.
She attended the prestigious University of Southern California (USC), where she majored in theater. Her education provided her with a solid foundation in acting, which she later honed through numerous roles in television and film. Her early exposure to the arts and her dedication to her craft have been instrumental in shaping her successful career.