출연진
Austin Trevor
Hercule Poirot
Jane Carr
Lady Edgware / Carlotta Adams
Richard Cooper
Captain Hastings
John Turnbull
Inspector Japp
Michael Shepley
Captain Ronald Marsh
Leslie Perrins
Bryan Martin
C. V. France
Lord Edgware
Sophie Stewart
Geraldine Marsh
Brenda Harvey
Miss Carroll
S. Victor Stanley
Jobson
Phyllis Morris
Ellis
Hargrave Pawson
Donald Ross
Conway Dixon
Sir Montague Corner
Stanley Vine
Lord Edgware's Butler
Quinton McPherson
Moxon
Kynaston Reeves
Duke of Merton