Will

Trivia: The actress who plays the cameo role of Walter Donovan's wife is Isla Blair, who in real life is married to Julian Glover (who plays the part of Walter Donovan) but in the credits at the end of the film, her name is given as Mrs Glover and not Isla Blair.

Will

Trivia: The film was originally 84 minutes long, but it was decided to cut it 75 minutes to allow more showings: In 1989 the cast were reunited for a special re-release of the film, with the restored footage to total the original 84 minutes, however some of the other scenes were lost because of a processing error, that resulted in eight minutes of lost footage.

Will

Trivia: The low-budget film cost $30,000 and was filmed in Lawrence Kansas, while the abandoned amusement park was filmed at Saltair Utah.

Will

Trivia: This was the only film that director Herk Hervey ever made.

Will

Trivia: Candace Hilligoss, who plays Mary Henry, only made one other film, which was another B-movie called Curse of the living corpse, which was released in 1964.

Will

Trivia: Director Herk Hervey appears in a non-speaking role as the ghoulish figure who continually haunts Mary Henry: Hervey died of pancreatic cancer in 1996.

Will

Trivia: The actor who plays the Abbey Librarian in the film is played by Noel Howlett, however the same actor appeared under the name of Arthur Howlett as the church minister in the original 1957 BBC television version, that was filmed in black and white.

Will

Trivia: Ciaran Hinds who plays the role of the husband of Chris, had also starred with Helen Mirren in the award winning series Prime Suspect 3, back in 1993.

Will

Trivia: During the chess game between Kronsteen and McAdams, the position that appears on the board was taken from a real game played between Boris Spassky and David Bronstein in 1960. The game is well-known amongst chess players all over the world. Spassky won the game in brilliant fashion, and it was his actual moves that Kronsteen plays during the end of the game.

Will