52 user 29 critic

Island of Terror (1966)

Unrated | | Horror | 1 February 1967 (USA)
1:50 | Trailer
An isolated remote island community is threatened by an attack by tentacled silicates which liquefy and digest bone and tissue.



(original story) (as Edward Andrew Mann), (original story) (as Allan Ramsen) | 2 more credits »



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Cast overview, first billed only:
Carole Gray ...
Eddie Byrne ...
Sam Kydd ...
Niall MacGinnis ...
Liam Gaffney ...
Roger Heathcote ...
Keith Bell ...
Margaret Lacey ...
Old Woman (as Margaret Lacy)
Shay Gorman ...
Peter Forbes-Robertson ...
Dr. Lawrence Phillips (as Peter Forbes Robertson)
Richard Bidlake ...
Joyce Hemson ...


A small island community is overrun with creeping, blobbish, tentacled monsters which liquefy and digest the bones from living creatures. The community struggles to fight back. Written by Michael "Rabbit" Hutchison <rabhutch@spacestar.net>

Plot Summary | Plot Synopsis

Plot Keywords:

bone | island | attack | creature | monster | See All (96) »


They lived by eating human bones! See more »




Unrated | See all certifications »




Release Date:

1 February 1967 (USA)  »

Also Known As:

Night of the Silicates  »

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Sound Mix:

(Westrex Recording System)



Aspect Ratio:

1.66 : 1
See  »

Did You Know?


In the French version (post-synchronized) Edward Judd is dubbed by Jean-Claude Michel / Visa d'exploitation en France : #38125 See more »


An entire room is dedicated to test animals, yet none are seen. Every cage is empty. The silicates would likely have feasted on them but would have attacked and mangled the cage bars to do so, leaving flesh and fur behind, but the bars are pristine and there are no animal remains. See more »


Dr. Lawrence Phillips: The potential across the cell membrane must be maintained during irradiation of the nucleus. Is the tri-chem stage complete?
Carson: Yes.
Dr. Lawrence Phillips: And the, uh, vapor-applicator?
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Dr. Lawrence Phillips: Good. Now that we've received the infusion equipment, well, I'm certain they will understand my reason for going ahead. I've waited a long time for this moment. If we're successful today, it may well be that we have the cure for cancer.
See more »


Featured in Svengoolie: Island of Terror (2014) See more »

Frequently Asked Questions

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User Reviews

Bone-Sucking Beasties ARE Creepy!
6 June 2003 | by (USA) – See all my reviews

I saw this film for the first time several years ago on a Saturday night broadcast on The Sci-Fi Channel and I was an immediate fan. How can classic sci-fi and horror fans not enjoy this film? It has a neat story, some gruesome sound effects, a top-notch cast and a great director. The film takes place on an island off the Irish coast and that's an immediate bonus....films where the population is trapped on a ship, island or in a house always add to the dread of any film, in my opinion. It makes for a smaller cast and you get to know the characters a bit better....this is definitely the case with this film. A medical research team it seems has been experimenting and attempting to find a cure for cancer, certainly a noble effort, but instead, they develop a new breed of creatures that live on the bone of humans and animals. Once a local is found void of any bones, enter Peter Cushing as Dr Brian Stanley and Edward Judd as Dr David West. West's girlfriend, Toni Merril (Carole Cray) also accompanies the Drs to the island and this is where the film really takes off. Bodies begin to pile up, the gruesome sounds of the 'beasties' liquefying/sucking the bones from their victims must be heard to be believed and the action moves at a nice pace. If you're a fan of blood and gore, then this film won't satisfy your needs, but if you like quality acting, directing and a decent story-line, then this may just be what you're looking for.

20 of 26 people found this review helpful.  Was this review helpful to you?

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