Characters played by Austin Trevor
Hercule Poirot
Characters played by Jane Carr
Lady Edgware
Characters played by Richard Cooper
Captain Hastings
Characters played by John Turnbull
Inspector Japp
Characters played by Michael Shepley
Captain Roland Marsh
Characters played by Leslie Perrins
Bryan Martin
Characters played by C.V. France
Lord Edgware
Characters played by Esme Percy
Duke of Merton
Characters played by Phyllis Morris
Alice
Characters played by Sophie Stewart
Miss Geraldine Edgware