Jack Arnold	...	(Director)
Harry Essex, Arthur A. Ross, Maurice Zimm	...	(Writer)
Richard Carlson	...	Dr. David Reed
Julie Adams	...	Kay Lawrence
Richard Denning	...	Dr. Mark Williams
Antonio Moreno	...	Carl Maia
Nestor Paiva	...	Captain Lucas
Whit Bissell	...	Dr. Edwin Thompson
Bernie Gozier	...	Zako
Henry A. Escalante	...	Chico
William E. Snyder	...	Cinematographer
Henry Mancini	...	Composer
Hans J. Salter	...	Composer
Herman Stein	...	Composer
Ted J. Kent	...	Editor

Summary: A scientific expedition searching for fossils along the Amazon River discover a prehistoric Gill-Man in the legendary Black Lagoon. The explorers capture the mysterious creature, but it breaks free. The Gill-Man returns to kidnap the lovely Kay, fiancée of one of the expedition, with whom it has fallen in love.