Battling aqua-lung adventure!
Three deep sea divers get involved in murder while searching for a lost treasure.
John Bromfield
Brannigan
Lon Chaney Jr.
Swede
Victor Jory
Professor
Barbara Nichols
Mimi
Tessa Prendergast
Alita
Eric Coverly
Chavez
Vincent Chang
Domingo
Theodore Purcell
Big Boy
Vere Johns
Bianco
Jack Lewis
Warren
Arnold Shanks
Aleppo
Clyde Hoyte
Calypso
