IMDb4.4Play trailerPlay trailerWhat Was the Terrifying Secret of the Cellar?Behind Locked Doors·1968·1h 20m·HorrorTerry 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.Mark as watchedRateTop castView moreJoyce DannerTerryDaniel GarthDr. BradleyEve ReevesAnnIvan AgarHandymanIrene LawrenceIdaAllan MichaelsMichael LawrenceAndrea BeatriceMore like thisIMDb0.0Strange DarlingMovie · 2024IMDb0.0Hostel: Part IIMovie · 2007IMDb0.0V/H/SMovie · 2012IMDb0.0HellraiserMovie · 1987IMDb0.0BarbarianMovie · 2022IMDb0.0Play DeadMovie · 2025IMDb0.0Mother's DayMovie · 2010IMDb0.0PossessionMovie · 1981IMDb0.0Bone LakeMovie · 2025IMDb0.0GhostlandMovie · 2018
