Behind the Green Door
Running 1h 12m and made in the United States, Behind the Green Door (1972) is a Romance and Horror film in the 123movies catalog. The cast includes Marilyn Chambers and George S. McDonald; Artie Mitchell directs. 97 votes put it at 6/10. Gloria is kidnapped and taken to a theater where she is told that she will have "the most exquisite moment of her life." She shares many sexual and intimate experiences on a stage in front of a small masked audience that grows increasingly aroused as the performance progresses.
