Adventure Horror Sci-Fi
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.
Directed by
Jack Arnold
Julie Adams
Kay Lawrence
Perry Lopez
Tomas (uncredited)
Richard Denning
Dr. Mark Williams
Nestor Paiva
Captain Lucas
Richard Carlson
Dr. David Reed
Antonio Moreno
Dr. Carl Maia
Ted White
Art Gilmore
Narrator (voice) (uncredited)
Al Wyatt Sr.
Bernie Gozier
Zee
Rodd Redwing
Luis (uncredited)
Whit Bissell
Dr. Edwin Thompson
Milicent Patrick
Henry A. Escalante
Chico
Ricou Browning
The Gill Man In Water (uncredited)
Sydney Mason
Dr. Matos (uncredited)
James Miller
Old Man (uncredited)

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