While starring on "Knots Landing", Phillips continued to appear in films, including a supporting role in 1989's gambling-themed "Let It Ride", co-starring with Richard Dreyfuss and Teri Garr, playing what Kevin Thomas of the "Los Angeles Times" characterized as a "deliciously blonde society tramp." She had a supporting role in the thriller " Scissors" (1991), opposite Sharon Stone, playing the politician wife of a therapist treating a mentally unstable woman (Stone). Next, she had a supporting role as the wife of a former race-car driver in the action thriller "Joshua Tree" (1993), starring Dolph Lundgren.