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.
as Dr. David Reed
as Kay Lawrence
as Dr. Mark Williams
as Dr. Carl Maia
as Captain Lucas
as Dr. Edwin Thompson
as Zee
as Chico
as The Gill Man In Water (uncredited)
as Narrator (voice) (uncredited)
as Tomas (uncredited)
as Dr. Matos (uncredited)
as Luis (uncredited)
as Old Man (uncredited)
as The Gill Man On Land (uncredited)
