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Blood Devils (1971)
"Beast of Blood" (original title)

GP  -  Adventure | Horror  -  27 January 1971 (USA)
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Ratings: 4.8/10 from 258 users  
Reviews: 16 user | 12 critic

A mad scientist creates a monster, but after its head is cut off, he keeps it alive in a serum he has invented.



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Title: Blood Devils (1971)

Blood Devils (1971) on IMDb 4.8/10

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Cast overview:
John Ashley ...
Dr. Bill Foster
Myra J. Russell
Eddie Garcia ...
Dr. Lorca
Liza Belmonte ...
Alfonso Carvajal ...
Ramu, tribe leader
Bruno Punzalan ...
Razak, lead henchman
Angel Buenaventura
Beverly Miller ...
The Captain
Johnny Long


A mad scientist creates a monster, but after its head is cut off, he keeps it alive in a serum he has invented.

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See natives eaten alive by giant vultures! See more »


Adventure | Horror


GP | See all certifications »





Release Date:

27 January 1971 (USA)  »

Also Known As:

Beast of the Dead  »

Filming Locations:

Box Office


$125,000 (estimated)

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.85 : 1
See  »

Did You Know?


The cave Celeste Yarnall used as a dressing room was also the men's latrine for the male cast and crew members. See more »


Featured in Machete Maidens Unleashed! (2010) See more »

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User Reviews

Direct sequel to Mad Doctor of Blood Island is much better if seen as part of a double feature program with the first film
21 October 2006 | by (Glen Cove, New York) – See all my reviews

This the direct sequel to Mad Doctor of Blood Island. Its the fourth (or third if you don't count the unrelated Terror is a Man) in the Blood Island saga. Literally picking up hours after the first film, the film begins on the boat sailing away from Blood Island. As John Ashley waxes poetic about his time on the island fighting monsters the man beast from the first film appears (he was seen to have secreted himself in a lifeboat at the end of Mad Doctor) and a battle occurs which destroys the ship and leaves Ashley as the only survivor. A year or so later Ashley heads back to Blood Island to investigate stories that weird things have begun to happen again despite the death of the evil Dr Lorca. On the island Ashley finds that many people he believed dead survived the final battle of the first film and that some how the "green men" have returned. It isn't long before its realized that Dr Lorca is back and up to his old tricks.

Finally watching this in close proximity to Mad Doctor I found that the film plays much better than it does as a stand alone film. I was never a big fan of this film prior to the back to back viewing because I always felt that it was missing something. What it was missing was the set up that the first film gives it.If you watch the two films together I think you'll find it a better film than when it's viewed all alone.

A sequel it is, but its not as scary (nor as gory nor as titillating). Sure there are some horrifying moments, but on some level this is more an adventure/ mystery film than a real horror movie. The man-beast is effectively off camera for most of the film following the opening battle (I have to say the make up here is infinitely better than in Mad Doctor). Some of Lorca's victims do cause mayhem, but the majority of the film concerns trying to find Lorca and the kidnapped reporter. Its not bad, but if you are expecting a straight horror film you may end up very disappointed, despite a great monster.

What can I say, I took it on its own terms and I liked it, high art its not. Definitely worth seeing especially as part of a double feature with Mad Doctor of Blood Island.

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