Crashing though...LANDSLIDES..! CAVE-INS..! DYNAMITE DEATH..!

A no-nonsense engineer is hired to oversee construction of the Whitney Tunnel, a project that has been plagued by a series of mysterious--and often fatal--accidents.

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Main Cast: Victor Jory, Sally O'Neil, Johnny Arthur, Ward Bond, Dewey Robinson, Thurston Hall, Robert Gleckler, Jonathan Hale, Howard Hickman, Jeanie Roberts

Director: D. Ross Lederman

Writers: Lester Cole, Griffin Jay

Editor: Gene Milford

Cinematographer: George Meehan

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