An Incredible Battle Is Raging Right Under Your Feet!

Government officials discover a horrible plot: the Chinese are tunneling their way to the United States.

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Main Cast: Kerwin Mathews, Viviane Ventura, Robert Ayres, Peter Arne, Al Mulock, Martin Benson, Peter Elliott, Earl Cameron, John Brandon, Ed Bishop

Director: Montgomery Tully

Writer: Charles F. Vetter

Editor:

Cinematographer: Kenneth Talbot

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