A group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.A group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.A group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.
Burr DeBenning
- Aguila
- (as Burr De Benning)
William Bryant
- Capt. Lunderson
- (as Bill Bryant)
Robert Dowdell
- Young Officer
- (as Bob Dowdell)
Sheila Allen
- Blonde Woman
- (as Sheila Mathews)
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