Third filming of the Agatha Christie whodunit, about murders at an isolated hotel. Oliver Reed, Elke Sommer. Ilona: Stephane Audran. Raven: Charles Aznavour. Judge: Richard Attenborough. Blore: Gert Frobe. Dr. Armstrong: Herbert Lom. Elsa: Maria Rohm. General: Adolfo Celi. Martino: Alberto de Mendoza. Peter Collinson directed.