Riven

Peter Ustinov

as Hercule Poirot

Jean Stapleton

as Ariadne Oliver

Constance Cummings

as Amy Folliatt

Tim Pigott-Smith

as Sir Stubbs

Jonathan Cecil

as Hastings

Kenneth Cranham

as Insp. Bland

Susan Wooldridge

as Amanda Brewis

Christopher Guard

as Alec Legge

Jeff Yagher

as Eddie South

Nicollette Sheridan

as Hattie Stubbs

Ralph Arliss

as Michael Weyman

Caroline Langrishe

as Sally Legge

Leslie Schofield

as Mr Tucker

Marjorie Yates

as Mrs Tucker

Pippa Hinchley

as Marlene Tucker (uncredited)

Vicky Murdock

as Marilyn Tucker

Jimmy Gardner

as Old Merdell (uncredited)

Sandra Dickinson

as Marilyn Gale

Jack Ellis

as Policeman

James Gaddas

as Young Foreign Man

Alan Parnaby

as Boatman

Harry Fielder

as Tombola Man (uncredited)

Agatha Christie

Novel

Curtis Clark

Director of Photography

Rod Browning

Screenplay

Neil Hartley

Producer

Clive Donner

Director

Michael Stevenson

Second Assistant Director

John Addison

Original Music Composer