Riven

Peter Ustinov

as Hercule Poirot

James Mason

as Odell Gardener

Sylvia Miles

as Myra Gardener

Roddy McDowall

as Rex Brewster

Maggie Smith

as Daphne Castle

Jane Birkin

as Christine Redfern

Nicholas Clay

as Patrick Redfern

Diana Rigg

as Arlena Stuart Marshall

Denis Quilley

as Kenneth Marshall

Colin Blakely

as Horace Blatt

Emily Hone

as Linda Marshall

Paul Antrim

as Police Inspector

Cyril Conway

as Police Surgeon

John Alderson

as Police Sergeant

Richard Vernon

as Flewitt

Dimitri Andreas

as Gino

Robert Dorning

as Concierge

Barbara Hicks

as Flewitt's Secretary

Walter Henry

as Waiter (uncredited)

Eric Kent

as Desk Sergeant (uncredited)

Guy Standeven

as Vicar on Train (uncredited)

Guy Hamilton

Director

Agatha Christie

Novel

Anthony Shaffer

Screenplay

John Brabourne

Producer

Richard Goodwin

Producer

Christopher Challis

Director of Photography

Richard Marden

Editor

Alan Cassie

Art Direction

Anthony Powell

Costume Design

Cole Porter

Music

John Lanchbery

Music Arranger

Barry Sandler

Writer

Dyson Lovell

Casting

Andy Armstrong

Second Assistant Director

Frank Walsh

Set Designer

John W. Mitchell

Sound Recordist

John Richards

Sound Recordist

Robin Browne

Camera Operator

John Palmer

Camera Operator

Nobby Cross

Gaffer

Hugh Casson

Title Designer

Robert Ellis

Title Graphics

Elliot Scott

Production Design

Derek Cracknell

First Assistant Director

Peter Howitt

Set Decoration

Jim Brennan

Production Manager

Barrie Melrose

Production Supervisor

Bill Rowe

Sound Recordist

Rosemary Burrows

Wardrobe Supervisor

Roy Birchley

Assistant Editor

Nicholas Stevenson

Sound Editor

Ramon Gow

Hairdresser

Jill Carpenter

Makeup Artist

Bob Penn

Still Photographer