Medverkande
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David HedisonAndre Delambre - Patricia OwensHelene Delambre
- Vincent PriceFrançois Delambre
- Herbert MarshallInsp. Charas
- Kathleen FreemanEmma (Delambre maid)
- Betty Lou GersonNurse Andersone
- Charles HerbertPhilippe Delambre
- Eugene BordenDr. Ejoute (uncredited)
- Torben MeyerGaston (uncredited)
- Harry CarterOrderly (uncredited)
- Charles TannenDoctor (uncredited)
- Franz RoehnPolice doctor (uncredited)
- Arthur DulacFrench waiter (uncredited)
- Kurt NeumannRegissör
- Kurt NeumannProducent
- Robert L. LippertProducent
- James ClavellFörfattare