In early 1988, Walker joined the cast of NBC daytime soap opera "Santa Barbara", playing Andrea Bedford. Later that year, she began appearing on primetime television. During 1989-90 television season, she played the female lead in the short-lived NBC crime drama series "True Blue". She later guest-starred on "Matlock", "L.A. Law", and "Tales from the Crypt". She starred in the 1991 NBC television movie "Perry Mason and the Case of the Fatal Fashion" as the devious daughter of Diana Muldaur's character. In 1993, she starred alongside Billy Campbell in the short-lived ABC comedy-drama, "Moon Over Miami".