크레딧 출연 Austin Trevor Hercule Poirot Franklin Dyall Sir Roger Ackroyd Elizabeth Allan Ursula Browne J.H. Roberts Dr. Sheppard John Deverell Lord Halliford Ronald Ward Ralph Ackroyd Mary Jerrold Mrs. Ackroyd Mercia Swinburne Caryll Sheppard Harvey Braban Insp. Davis Clare Greet (uncredited) Diana Beaumont (uncredited) Earl Grey (uncredited) 스텝 H. Fowler Mear Writing Agatha Christie Writing Cyril Stanborough Camera Michael Morton Writing Leslie S. Hiscott Directing Sydney Blythe Camera Julius Hagen Production John Greenwood Sound