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.
5.6 / 10
1955-05-13
Jack Arnold
1h 22m
Budget: Unknown
Revenue: $1,100,000
Prof. Clete Ferguson
Helen Dobson
Joe Hayes
Captain Lucas
Jackson Foster
Lou Gibson
George Johnson
Police Captain
Patrol Boat Dispatcher (voice / uncredited)