Sci-Fi Thriller
Government officials discover a horrible plot: the Chinese are tunneling their way to the United States.
Directed by
Montgomery Tully
Ed Bishop
Lt. Cmdr. Vance Cassidy (as Edward Bishop)
Kerwin Mathews
Cmdr. Jonathan Shaw
David Spenser
Maj. Chai
Bill Nagy
Col. Talbot Wilson
Al Mulock
Sgt. Marvin Mulberry
Carl Jaffe
Dr. Galissi
Norma West
Susan Kramer
Martin Benson
Gen. Chan Lu
Viviane Ventura
Tila Yung
Earl Cameron
Sgt. Seth Hawkins
Bessie Love
Matron
Peter Arne
Arnold Kramer
John Brandon
Maj. Frank Cannon
Sarah Brackett
Meg Webson
Larry Cross
Broadcaster
Bee Duffell
Matron's Friend
Robert Ayres
Adm. Felix Hillebrand
Chela Matthison
Nurse
Peter Elliott
Dr. Kengh Lee
Paula Li Shiu
Dr. Arnn
Michael McStay
Bomb Train Commander
Bill Hutchinson
Lanchek
Martin Terry
Mine Foreman
Frank Lieberman
Police
Roy Pattison
Police

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