The Murder of Roger Ackroyd
Mrs. Cecil Ackroyd (widow of brother Roger Ackroyd) / Mrs. Cecil Ackroyd
Hercule Poirot
Dr. James Sheppard
Roger Ackroyd
inspector
Blent major
Caroline (Dr. Sheppard's sister)
Parker (butler at the house of Roger Ackroyd)
Joffrey Raymond (secretary of Ackroyd)
housemaid
Charles Kent
Mrs. Foliot
Mrs. Ferrar
Ralph Peyten (adopted son of Roger Ackroyd)
Hammond (attorney in affairs of Roger Ackroyd)
Flora (daughter of Mrs. Ackroyd)
Miss Russell (The housekeeper in the house of Roger Ackroyd)
cook
steward
gardener
Ursula Born (Senior maid at the house of Roger Ackroyd) / Ursula Born