La leyenda de la casa infernal

The original novel was set in New England, with an American team of psychic investigators. The storyline was changed, to fit the movie's production in England, with British actors playing the investigators.

When the ghost runs out of Florence Tanner's room, you can clearly see a 2x4 board that was part of the mechanism to make the door open and close by itself.

Opening credits prologue: Although the story of this film is fictitious, the events depicted involving psychic phenomena are not only very much within the bounds of possibility, but could well be true. Tom Corbett Clairvoyant and Psychic Consultant to European Royalty.

"SPOILER ALERT" When Dr. Barrett meets his demise towards the end of the film, most video releases depict one of his instruments exploding, then cut to the scene in which Mr. Fischer & Mrs. Barrett return to the laboratory and find his dead body under a fallen chandelier. However, in at least one edited for television version the scene continues as Dr. Barraett recoils from the explosion, then begins staggering through his laboratory as a supernatural wind picks up and his instruments are exploding around him. He then stumbles to the ground, and the chandelier falls on his head.

Featured in Mysteries of the Unknown: The Occult (1977)