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Scientists discover that a pair of giant crabs mutated by atomic tests is responsible for the disappearance of researchers on a remote island. The crabs, which assimilate the voices and intellects of their victims, slowly destroy the island as they thin out the rescue party until a do-or-die plan is hatched. This early effort by Roger Corman has been labeled as schlock due to its pulpy title and atrocious monster effects, but the script by Charles B. Griffith, while stretched thin by the usual low-budget constraints, is more intriguing and gently self-deprecating than a movie about monster crustaceans should be (Griffith also wrote the blackly comic scripts for
A Bucket of Blood and Corman's original
Little Shop of Horrors). The script's handling of the monsters is especially notable; the crabs' malevolent logic flies in the face of 1950s creature standards, which demanded that monsters be drooling and dumb. And Corman's fast-and-furious direction delivers a surprising number of shocks (most notably, the alarming "bus" when
Little Shop alumnus Mel Welles's character meets his fate) as it barrels toward the film's slam-bang conclusion. Sharp-eyed character actor fans will spot among the cast Russell Johnson and Ed Nelson, years before their respective TV fame on
Gilligan's Island and
Peyton Place; longtime Corman bit player Beach Dickerson and screenwriter Griffith portray sailors. Made for $70,000, the film grossed approximately $1 million, making it Corman's most profitable picture of the period.
Crab Monsters played theaters in 1957 on a double bill with Corman's equally satisfying
Not of This Earth.
--Paul Gaita