Behind Locked Doors
"What Was the Terrifying Secret of the Cellar?"
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.
| Release Date | December 11, 1968 | |
|---|---|---|
| Status | Released | |
| Original Title | Behind Locked Doors | |
| Runtime | 1h 20min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United States of America | |
| Production Companies | SHB Productions | |