Overview
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
Cast
- Richard Carlson as Dr. David Reed
- Julie Adams as Kay Lawrence
- Richard Denning as Dr. Mark Williams
- Antonio Moreno as Dr. Carl Maia
- Nestor Paiva as Captain Lucas
- Whit Bissell as Dr. Edwin Thompson
- Bernie Gozier as Zee
- Henry A. Escalante as Chico
- Ricou Browning as The Gill Man In Water (uncredited)
- Art Gilmore as Narrator (voice) (uncredited)