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Attack of the Crab Monsters (1957)

Approved | | Horror, Sci-Fi | 10 February 1957 (USA)
Scientists become trapped on a shrinking island with intelligent, murderous giant crabs.



(screenplay) (as Charles Griffith)
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Complete credited cast:
Richard Garland ...
Dale Drewer
Pamela Duncan ...
Martha Hunter
Hank Chapman
Leslie Bradley ...
Dr. Karl Weigand
Mel Welles ...
Jules Deveroux
Richard H. Cutting ...
Dr. James Carson (as Richard Cutting)
Beach Dickerson ...
Seaman Ron Fellows
Tony Miller ...
Seaman Jack Sommers
Ensign Quinlan
Maitland Stuart ...
Seaman Mac
Seaman Tate
Robin Riley
Doug Roberts


A group of scientists travel to a remote island to study the effects of nuclear weapons tests, only to get stranded when their airplane explodes. The team soon discovers that the island has been taken over by crabs that have mutated into enormous, intelligent monsters. To add to their problems, the island is slowly sinking into the ocean. Will any of them manage to escape? Written by Jean-Marc Rocher <rocher@fiberbit.net>

Plot Summary | Plot Synopsis


From the depths of the sea... a tidal wave of terror!


Horror | Sci-Fi


Approved | See all certifications »




Release Date:

10 February 1957 (USA)  »

Also Known As:

El ataque de los cangrejos gigantes  »

Box Office


$70,000 (estimated)

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Sound Mix:

(Westrex Recording System)

Aspect Ratio:

1.78 : 1
See  »

Did You Know?


A scene involving two pilots was shot, but cut from the final finished film. See more »


As Martha, swimming in the sea, approaches a giant clam on the sea bottom, a square reflection can be seen on the glass of the tank she is actually swimming in. See more »


[first lines]
Narrator: And the Lord said, I will destroy man whom I have created from the face of the earth; both man, and beast, and the creeping thing, and the fowls of the air; for it repenteth me that I have made them.
See more »


Referenced in Pulp Fiction (1994) See more »

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User Reviews

A perennial favourite of all B movie buffs.
21 July 2001 | by (Vancouver, Canada) – See all my reviews

Whether Roger Corman likes it or not this is one of the movies he will always be remembered for. Radiation gets the blame again and spawns mutant crabs who can walk forward (something no real crab can do), talk, and absorb the brains of the people they eat. These ambitious soft shelled terrors want to conquer the world and digest the brains of several scientists to gain the know-how to do that. Believe me, a giant crab with a PHd. is a dangerous thing! Corman's usual stock company does very well here. Mel Welles and Leslie Bradley sport believeable accents, Richard Garland and Pamela Duncan (both of whom would be in THE UNDEAD the same year) are a fine couple, Russell Johnson is great and Beech Dickerson is the comedy relief. If we can believe Ed Nelson, he is the one who was under the giant crab and he also dimly recalled Jack Nicholson hanging around the location pestering Roger for something to do so maybe Jack was helping move the crab around too. Gore is non existant (it was 1957 for cryin' out loud!) except for a decapitation at the start of the film (interestingly (symbolically?) the victim is Charles Griffith who wrote the screenplay). Can I get serious for a moment now? Would someone get in touch with Roger and get him to round up the cast members who are still alive and release this on DVD with an audio commentary track? There IS a market for this movie out there and a 45th anniversary edition would, in my opinion, sell very well. Roger . . .er . . .Mr. Corman, if perchance you should read this, get in touch with me.

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