A wealthy French widow is poisoned in her home, Inspector Hanaud investigates..
| Actor | Role |
|---|---|
 Kenneth KentInspector Hanaud | Inspector Hanaud |
 Diana ChurchillBetty Harlowe | Betty Harlowe |
| BBelle ChrystallAnn Upcott | Ann Upcott |
 Peter Murray-HillJim Frobisher | Jim Frobisher |
 Clifford EvansMaurice Thevenet | Maurice Thevenet |
 Louise HamptonMme. Harlow | Mme. Harlow |
 Catherine LaceyFrancine Rollard | Francine Rollard |
 Aubrey DexterGiradot | Giradot |