Monster from Green Hell (1957)

Approved  |   |  Sci-Fi  |  17 May 1957 (USA)
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Ratings: 3.3/10 from 517 users  
Reviews: 30 user | 11 critic

A scientific expedition in Africa investigates wasps that have been exposed to radiation and mutated into giant, killing monsters.



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Complete credited cast:
Dr. Quent Brady
Robert Griffin ...
Dan Morgan (as Robert E. Griffin)
Joel Fluellen ...
Barbara Turner ...
Lorna Lorentz
Eduardo Ciannelli ...
Vladimir Sokoloff ...
Dr. Lorentz


The U.S. government is conducting experiements on the effects of exposure to space radiation by sending animals briefly into orbit. Following a malfunction, one of the rockets stays in space longer than planned, and is lost from the scientists' radar screens. Later, Dr. Brady, one of the rocket scientists, reads a news report about strange occurances in Central Africa. Theorizing that it may be the irradiated test wasp wreaking havoc in the jungle, he organizes an expedistion to investigate. Written by Jean-Marc Rocher <>

Plot Summary | Plot Synopsis


The mammoth monster that terrified the Earth! Too awesome to describe! Too terrifying to escape! Too powerful to stop! See more »








Release Date:

17 May 1957 (USA)  »

Also Known As:

Il pianeta dove l'inferno è verde  »

Company Credits

Production Co:

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Technical Specs


Sound Mix:

Aspect Ratio:

1.85 : 1
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Did You Know?


The sequence in which hundreds of African natives attack the safari before being turned back by fire is taken from Stanley and Livingstone (1939). Note that star Jim Davis is costumed very much like Spencer Tracy was in that film. If you look closely the rifles used in 1939 footage and this movie's spliced in scenes are different models. See more »


In the closeup of the newspaper article headlines Central Africa in Turmoil, it is clearly visible that the upper half of the newspaper has been pasted over the lower portion. The thumb on the left hand side of the screen is at the dividing point between the pasted portions. See more »


Featured in Drive-in Movie Memories (2001) See more »

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User Reviews

Giant Wasps in Africa for those who care.
27 November 1998 | by (Seattle, WA) – See all my reviews

Considering the producer was responsible for Robot Monster, this film is not the incredible mess R.M. was.

It's also no THEM either.

It's an average 50's giant bug film. Slightly more inventive in using wasps that mainly crawl around on the ground rather than fly. We usually only see one giant wasp who resembles more dung beetle than a wasp.

I think there is a shot or two in which obviously animated wasps fly and buzz too.

Well radiation in Africa mutated wasps and they are killing natives mostly.

Harmless fun if you've got time. If you remember it as a kid your tolerance for it is significantly higher than viewers not familiar with the film.

4 of 5 people found this review helpful.  Was this review helpful to you?

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