Overview
Ships disappear on route across the Arctic Sea, and a special submarine is sent to investigate.
Cast
- Arthur Franz as Richard "Reef" Holloway
- Dick Foran as Dan Wendover
- Brett Halsey as Carl Neilson Jr.
- Tom Conway as Ian Hunt
- Paul Dubov as David Milburn
- Bob Steele as "Grif" Griffin
- Victor Varconi as Clifford Kent
- Joi Lansing as Julie
- Selmer Jackson as Admiral Terhune
- Jack Mulhall as Justin Murdock