Released:
1967-10-01

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

Director:
Montgomery Tully

Runtime:
1h 31min

Genre:
Science Fiction, Thriller

• Cast:
• 
  Kerwin Mathews
  as
  Cmdr. Jonathan Shaw
• 
  Viviane Ventura
  as
  Tila Yung
• 
  Robert Ayres
  as
  Adm. Felix Hillebrand
• 
  Peter Arne
  as
  Arnold Kramer
• 
  Al Mulock
  as
  Sgt. Marvin Mulberry