Hercule Poirot

Odell Gardener

Myra Gardener

Rex Brewster

Daphne Castle

Christine Redfern

Patrick Redfern

Arlena Stuart Marshall

Kenneth Marshall

Horace Blatt

Linda Marshall

Police Inspector

Police Surgeon

Police Sergeant

Flewitt

Gino

Concierge

Flewitt's Secretary

Waiter (uncredited)

Desk Sergeant (uncredited)

Vicar on Train (uncredited)