Austin Trevor
Hercule Poirot
Acting
Franklin Dyall
Sir Roger Ackroyd
Acting
Elizabeth Allan
Ursula Browne
Acting
J.H. Roberts
Dr. Sheppard
Acting
John Deverell
Lord Halliford
Acting
Ronald Ward
Ralph Ackroyd
Acting
Mary Jerrold
Mrs. Ackroyd
Acting
Mercia Swinburne
Caryll Sheppard
Acting
Harvey Braban
Insp. Davis
Acting
Clare Greet
(uncredited)
Acting
Diana Beaumont
(uncredited)
Acting
Earl Grey
(uncredited)
Acting