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The Monster That Challenged the World (1957)

 -  Horror | Sci-Fi  -  June 1957 (USA)
5.8
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Ratings: 5.8/10 from 1,492 users  
Reviews: 69 user | 30 critic

Giant mollusk monsters attack California.

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Cast

Cast overview, first billed only:
...
Lt. Cmdr. John 'Twill' Twillinger
...
Gail MacKenzie
...
Dr. Jess Rogers
Harlan Warde ...
Lt. Robert 'Clem' Clemens
...
Dr. Tad Johns (as Casey Adams)
Mimi Gibson ...
Sandy MacKenzie
Gordon Jones ...
Sheriff Josh Peters
Marjorie Stapp ...
Connie Blake
Dennis McCarthy ...
Barbara Darrow ...
Jody Simms
Robert Benevides ...
Seaman Morty Beatty (as Bob Beneveds)
Michael Dugan ...
Clarke
Mack Williams ...
Capt. Masters
Wallace Earl ...
Sally (as Eileen Harley)
Jody McCrea ...
Seaman Fred Johnson
Edit

Storyline

An earthquake in the Salton Sea unleashes a horde of prehistoric mollusk monsters. Discovering the creatures, a Naval officer and several scientists attempt to stop the monsters, but they escape into the canal system of the California's Imperial Valley and terrorize the populace. Written by Jeremy Lunt <durlinlunt@acadia.net>

Plot Summary | Plot Synopsis

Taglines:

Instant terror ... Just add water! (2001 DVD Promotional) See more »

Genres:

Horror | Sci-Fi

Certificate:

Approved | See all certifications »
Edit

Details

Official Sites:

Country:

Language:

Release Date:

June 1957 (USA)  »

Also Known As:

The Jagged Edge  »

Filming Locations:

 »

Box Office

Budget:

$254,000 (estimated)
 »

Company Credits

Production Co:

 »
Show detailed on  »

Technical Specs

Runtime:

Sound Mix:

(Western Electric Recording)

Aspect Ratio:

1.85 : 1
See  »
Edit

Did You Know?

Trivia

The majority of the underwater scenes were shot at Catalina Island off the coast of Los Angeles. The close-ups were later filmed in a tank filled with water and plastic sea-weed. See more »

Goofs

While the creatures are supposed to be - and have the shells of - giant snails, their bodies have the segmentation, legs, eyes and mouth-parts of insect larvae. See more »

Quotes

[last lines]
Lt. Cmdr. John 'Twill' Twillinger: Guess what, Sandy, you can go swimming again.
[excitedly]
Sandy MacKenzie: Can I?
See more »

Connections

Edited into Out of this World Super Shock Show (2007) See more »

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User Reviews

Above par monster on the loose programmer.

I found this film about giant snails on the loose in the Salton sea area slightly better than most programmer monster films of the late 1950's. The giant snails are a believable menace in that they are presented as no more dangerous than any other large aquatic predator such a shark or crocodile. They put a fight but can be killed with several well aimed shots from a pistol or a heavy axe. The real danger as pointed in the film, is that snails are extremely fecund, and if they were to enter the ocean , they could reproduce in enormous numbers thus creating ecological havoc. Anyone who has ever had a fish tank knows once you introduce one tiny snail, in a matter of couple of weeks you have hundreds. One odd aspect everyone seems to comment on is that snails look like caterpillars in snail shells. There is a type of aquatic insect larva that uses a discarded snail shell as armour, much like a hermit crab does. Perhaps someone involved with the film had seen these insect larvae and mistook them for snails.


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