Alibi
Voltar
Austin TrevorHercule Poirot
Franklin DyallSir Roger Ackroyd
Elizabeth AllanUrsula Browne
J.H. RobertsDr. Sheppard
John DeverellLord Halliford
Ronald WardRalph Ackroyd
Mary JerroldMrs. Ackroyd
Mercia SwinburneCaryll Sheppard
Harvey BrabanInsp. Davis
Clare Greet(sem créditos)
Diana Beaumont(sem créditos)- Earl Grey(sem créditos)