Peter Collinson
Director
Fernando Arribas
Director of Photography
Agatha Christie
Novel
Harry Alan Towers
Producer
Tíbor Reves
Associate Producer
Luis Criado
Assistant Makeup Artist
Wilhelm Schmidke
Sound
Ramón F. Suárez
Additional Director of Photography
Juan Estelrich March
Production Manager
Ángel Sevillano
Production Assistant
Mike Le Mare
Sound Editor
Julio Leyva
Lighting Technician
Mario Mazzoni
Still Photographer
Juan Estelrich March
Associate Producer
Carlo Rustichelli
Original Music Composer
Ivan Sharrock
Sound Mixer
Susanna Merry
Continuity
Ennio Nobili
Co-Producer
Ana Criado
Hairstylist
Charles Athey
Production Accountant
Trevor Pyke
Sound Re-Recording Mixer
Michael Crowley
Assistant Editor
Bruno Nicolai
Conductor
Nicholas Wentworth
Post Production Supervisor
José López Rodero
Assistant Director
Bruno Nicolai
Original Music Composer
Peter Offer
Sound Assistant
Emilio Ruiz del Río
Special Effects
María Luisa Pino
Assistant Editor
Eduardo Noé
Camera Operator
Stefano Sbarigia
Assistant Director
Javier Pérez Zofio
Assistant Camera
Harry Benn
Associate Producer
Gabrielle Reinecke
Editor
Harry Alan Towers
Writer
John Trumper
Editor
Enrique Llovet
Writer
Louis Bonnemaison
Makeup Artist
Alain Dahan
Producer
Erich Kröhnke
Writer
José María Tapiador
Production Design
Alexander Grüter
Executive Producer
Cristóbal Criado
Makeup Artist
Hassan Mohammadzadeh
Second Unit Director
Oliver Reed
Hugh Lombard
Elke Sommer
Vera Clyde
Richard Attenborough
Judge Arthur Cannon
Stéphane Audran
Ilona Morgan
Gert Fröbe
Wilhelm Blore
Herbert Lom
Dr. Edward Armstrong
Maria Rohm
Elsa Martino
Adolfo Celi
General André Salvé
Alberto de Mendoza
Otto Martino
Charles Aznavour
Michel Raven
Orson Welles
Voice on Tape
Naser Malek Motiee
Inspector
Rik Battaglia
Rick Battaglia/Vendedor
Teresa Gimpera
Maria
Sepideh
Inspector's Girlfriend
