Hercule Poirot
Mrs. Harriet Hubbard
Bianchi
Greta Ohlsson
Countess Elena Andrenyi
Pierre Paul Michel (as Jean Pierre Cassel)
Col. Arbuthnot
Beddoes
Princess Natalia Dragomiroff
Hector McQueen
Mary Debenham
Hildegarde Schmidt
Ratchett
Count Andrenyi
Hardman
Doctor Constantine
Antonio Foscarelli
Concierge
A.D.C.
Chief Attendant
Waiter (uncredited)
Reporter (uncredited)
Turkish Ticket Collector (voice) (uncredited)
Dining Car Steward (uncredited)
Loudspeaker (uncredited)
Chef (uncredited)
Turkish Pianist in Hotel (uncredited)
Hawker (uncredited)
Traveling Salesman (uncredited)