Catherine Greiner (2 April 1956 – 9 August 1994), best known under the stage name Cathy Stewart , was a French pornographic actress who appeared in the majority of France's hardcore films between 1976 and the early eighties. She also appeared in several non-pornographic pictures, most notably Jean Rollin 's 1980 horror film La Nuit des Traquées where she was credited under her real name.

Suffering from drug addiction , she stopped her career in 1980s, and died from an overdose. [8]