All New Thrills! Shocks! Suspense!
In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be observed by scientists.
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Cast
- John AgarProf. Clete Ferguson
- Lori NelsonHelen Dobson
- John BromfieldJoe Hayes
- Nestor PaivaCaptain Lucas
- Grandon RhodesJackson Foster
- Dave WillockLou Gibson
- Robert B. WilliamsGeorge Johnson
- Charles CanePolice Captain
- Loretta AgarWoman on Boat (uncredited)
- Bill BaldwinPatrol Boat Dispatcher (voice / uncredited)
Crew
- Jack ArnoldDirector
- Martin BerkeleyScreenplay
- Scotty WelbourneDirector of Photography
- William LavaOriginal Music Composer
- Herman SteinOriginal Music Composer
- Paul WeatherwaxEditor
- William AllandProducer
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