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.
Jack Arnold | Director |
Martin Berkeley | Screenplay |
William Alland | Story |
Scotty Welbourne | Director of Photography |
Jack Kevan | Creature Design |
William Alland | Producer |
William Lava | Original Music Composer |
Herman Stein | Original Music Composer |
Paul Weatherwax | Editor |
Alexander Golitzen | Art Direction |