Mr. Moto in Danger Island 1939

Synopsis:

In Puerto Rico to investigate a glut of contraband diamonds that are flooding the world's jewel market, Mr. Moto and his sidekick, a wrestler, find themselves involved in murders by thrown daggers, the frame-up of an overstressed Army colonel, and a pirate gang led by an unknown boss who has inside knowledge of the ensuing investigation.

Directed by: Herbert I. Leeds
Written by: Peter Milne
Runtime: 64 minutes
Tagline: HUNTED BY THE POLICE!...STALKED BY A KILLER!
Related titles:
Cast:
Peter Lorre
Peter Lorre
Kentaro Moto 
Warren Hymer
Warren Hymer
Twister McGurk 
Amanda Duff
Amanda Duff
Joan Castle 
Robert Lowery
Robert Lowery
Lt. George Bentley 
Leon Ames
Leon Ames
Commissioner Madero 
Jean Hersholt
Jean Hersholt
Mr. Sutter