From New York, Crampton moved to Los Angeles where she made her television debut on the daytime drama "Days of Our Lives", where she played Trista Evans Bradford and subsequently starred in the pilot episode of "Rituals", the television film "Love Thy Neighbor", and the television series "Santa Barbara". She made her film debut in the 1984 film "Body Double". The following year, Crampton portrayed Chrissie in "Fraternity Vacation", Megan Halsey in "Re-Animator", and Stacy in "Hotel". In 1986, Crampton portrayed Suzie Lynn in "Chopping Mall", Dr. Katherine McMichaels in "From Beyond", and Anne White in "Prince of Bel Air". In 1987, Crampton was cast in "Kidnapped" and portrayed Teri in "Ohara". From 1987 to 2007, Crampton portrayed Leanna Love in "The Young and the Restless". In 1989, Crampton had a cameo role in the horror film "Puppet Master". In 1991, Crampton portrayed Sadie Brady in "Trancers II".