Genres: Mystery

Actors: Warner Oland，Katherine DeMille，Pauline Moore，Allan Lane，Keye Luke，C. Henry Gordon，John Eldredge，Layne Tom Jr.，Jonathan Hale，Morgan Wallace，Frederik Vogeding，Andrew Tombes，Howard Hickman，William Begg，Brooks Benedict，Stanley Blystone，Walter Bonn，Don Brodie

Directors: H. Bruce Humberstone

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