Released:
1966-05-01

Overview:
A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.

Director:
Francis D. Lyon

Runtime:
1h 23min

Genre:
Thriller, Science Fiction

• Cast:
• 
  Scott Brady
  as
  Commander Wayne
• 
  Sheree North
  as
  Dr. Rene Peron
• 
  Gary Merrill
  as
  Dr. LaSatier
• 
  John Howard
  as
  Dr. James
• 
  Wende Wagner
  as
  Sandra Welles