The Monster That Challenged the World

★5.7 1957 1h 24m Horror, Sci-Fi, Thriller

When a horde of prehistoric mollusk monsters enter the canal system of the California's Imperial Valley and terrorize the populace.

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Actors

Tim Holt Tim Holt Lt. Cmdr. John 'Twill' Twillinger
Audrey Dalton Audrey Dalton Gail MacKenzie
Hans Conried Hans Conried Dr. Jess Rogers
Barbara Darrow Barbara Darrow Jody Simms
Max Showalter Max Showalter Dr. Tad Johns
HW Harlan Warde Lt. Robert 'Clem' Clemens
Gordon Jones Gordon Jones Sheriff Josh Peters
Mimi Gibson Mimi Gibson Sandy MacKenzie
Marjorie Stapp Marjorie Stapp Connie Blake
Jody McCrea Jody McCrea Seaman Fred Johnson
Wallace Earl Wallace Earl Sally
DM Dennis McCarthy George Blake (lab assistant)