An undercover agent wrongly punished for murder is paroled to a remote tropical island with a diamond mine slave labor run by a sadistic foreigner.
Peter Lorre
Stephen Danel
Rochelle Hudson
Lorraine Danel
Robert Wilcox
Mark Sheldon
Don Beddoe
Brand
George E. Stone
Siggy
Kenneth MacDonald
Doctor Rosener
Charles Middleton
Captain Cort
Stanley Brown
Eddie
