A talented American actress enlists the help of the famed Belgian detective, Hercule Poirot, to negotiate a divorce from her husband, Lord Edgware, only to find him the next day stabbed to death in his library. Who would want him dead?

Austin Trevor
as Hercule Poirot

Jane Carr
as Lady Edgware / Carlotta Adams

Richard Cooper
as Captain Hastings

John Turnbull
as Inspector Japp

Michael Shepley
as Captain Ronald Marsh

Leslie Perrins
as Bryan Martin

C. V. France
as Lord Edgware

Sophie Stewart
as Geraldine Marsh

Brenda Harvey
as Miss Carroll

S. Victor Stanley
as Jobson
CinemaSerf
Austin Trevor dons his best Belgian accent as "Hercule Poirot", the famous detective here called in to investigate the fatal stabbing of the wealthy Lord Edgware (CV France). It doesn't take us long to discover that his wife (Jane Carr) was seeking a divorce so she could marry the "Duke of Merton" (...