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.

Credits: TheMovieDb.

Film Cast:

• Stephen Danel: Peter Lorre
• Lorraine Danel: Rochelle Hudson
• Mark Sheldon: Robert Wilcox
• Brand: Don Beddoe
• Siggy: George E. Stone
• Doctor Rosener: Kenneth MacDonald
• Captain Cort: Charles Middleton
• Eddie: Stanley Brown
• Mitchell: Earl Gunn
• Ames – Parolee (uncredited): Sam Ash
• Mystery Killer (uncredited): Raymond Bailey
• District Attorney (uncredited): Trevor Bardette
• Hazen – Guard (uncredited): Bruce Bennett
• Townsend (uncredited): Bernie Breakston
• Department of Justice Official: Donald Douglas
• Hale (uncredited): Richard Fiske
• Parole Board Member (uncredited): William Gould
• Cop (uncredited): Chuck Hamilton
• Judge (uncredited): Howard Hickman
• Clinton (uncredited): Al Hill
• Borgo – Parolee (uncredited): Eddie Laughton
• Clerk (uncredited): George McKay
• Detective (uncredited): Walter Miller
• Parole Board Member (uncredited): Edmund Mortimer
• Chairman of Parole Board (uncredited): Forbes Murray
• Warden (uncredited): Lee Prather
• Jackson (#46) (uncredited): Addison Richards
• Cop (uncredited): Harry Strang
• Durkin – Prisoner (uncredited): John Tyrrell

Film Crew:

• Director: Charles Barton
• Costume Design: Robert Kalloch
• Music: Gregory Stone
• Music: Ben Oakland
• Sound Recordist: Lodge Cunningham
• Music Director: Morris Stoloff
• Director of Photography: Benjamin H. Kline
• Editor: James Sweeney
• Screenplay: Robert Hardy Andrews
• Original Music Composer: Gerard Carbonara
• Art Direction: Lionel Banks

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