The Shuttered Room (also known as Blood Island) is a 1967 British horror film directed by David Greene, and starring Gig Young and Carol Lynley.

The few friends whom they make among the locals, including Susannah's aunt Agatha, warn them that the family mill is cursed and urge the Keltons to leave immediately and never look back.

[5] The Monthly Film Bulletin wrote: Television director David Greene brings enough style to this thriller to suggest that, given a better script, he might produce something really interesting.

It is a pity that neither the script nor the performances match the film's visual imagination – though Flora Robson is splendid as Aunt Agatha, mistress of the island and keeper of its secret, first seen at the top of her tower, bedraggled, hair streaked with grey, and with a wild-looking bird for company as she looks out over her domain.

"[7] Leslie Halliwell said: "Stretched out suspenser which looks good and is carefully made but fails in its effort to combine the menace of teenage yobboes with that of the monster lurking upstairs.