Terry and Ann are two "swingers" who spend the night in a spooky old house, where they're subjected to bizarre sexual experiments by Mr Bradley and his deranged sister.
Unfortunately the movie Behind Locked Doors is not yet available on HBO Max.
| Directing | Charles Romine | Director |
| Production | Stanley H. Brassloff | Producer |
| Writing | Charles Romine | Writer |
| Costume & Make-Up | Elke Milz | Makeup Artist |
| Camera | Victor Petrashevic | Director of Photography |
| Production | Kenneth Rudnick | Production Manager |
| Sound | Harvey R. Kugler | Music Director |
| Editing | Kemper Peacock | Editor |
