A down-and-out student is hired to kill a wealthy woman. When someone else is suspected of the crime, the student taunts police until they realize that they may have to wrong man.
| Actor | Role |
|---|---|
 Charles LaughtonInspector Jules Maigret | Inspector Jules Maigret |
 Franchot ToneJohann Radek | Johann Radek |
 Burgess MeredithJoseph Heurtin | Joseph Heurtin |
 Robert HuttonBill Kirby | Bill Kirby |
 Jean WallaceEdna Wallace | Edna Wallace |
 Patricia RocHelen Kirby | Helen Kirby |
 BelitaGisella Heurtin | Gisella Heurtin |
| GGeorge ThorpeComelieu | Comelieu |
 William PhippsJanvier | Janvier |
| WWilliam CottrellMoers | Moers |
| CChaz ChaseWaiter | Waiter |
 Wilfrid Hyde-WhiteProfessor Grollet | Professor Grollet |
 Howard VernonInspector (uncredited) | Inspector (uncredited) |