Crew
WE
William E. Snyder
Director of Photography
Jack Arnold
Director
William Alland
Producer
HJ
Hans J. Salter
Original Music Composer
Henry Mancini
Original Music Composer
HE
Harry Essex
Screenplay
HS
Herman Stein
Original Music Composer
AA
Arthur A. Ross
Screenplay
Cast
Richard Carlson
Dr. David Reed
Julie Adams
Kay Lawrence
Richard Denning
Dr. Mark Williams
Antonio Moreno
Dr. Carl Maia
Nestor Paiva
Captain Lucas
Whit Bissell
Dr. Edwin Thompson
Bernie Gozier
Zee
HA
Henry A. Escalante
Chico
Ricou Browning
The Gill Man In Water (uncredited)
Art Gilmore
Narrator (voice) (uncredited)
Perry Lopez
Tomas (uncredited)
SM
Sydney Mason
Dr. Matos (uncredited)
