René Clément
Director
Paul Gégauff
Screenplay
Françoise Javet
Editor
Raymond Hakim
Producer
Henri Decaë
Director of Photography
René Clément
Screenplay
Robert Hakim
Producer
Nino Rota
Original Music Composer
Patricia Highsmith
Novel
Jacques Météhen
Conductor
Yvette Vérité
Script Supervisor
Bruno Avesani
Assistant Art Director
Eugène Roman
Assistant Art Director
Maurice Binder
Title Designer
André Bouladoux
Key Grip
Maurice Rémy
Sound Recordist
Jacques Carrère
Sound Mixer
Paul Bertrand
Production Design
Marcel Corvaisier
Boom Operator
Louis Bonnemaison
Makeup Artist
Piero Cocco
Production Manager
Jean-Paul Schwartz
First Assistant Camera
Pierre Zimmer
Assistant Director
Alberto Cardone
Assistant Director
Jean Rabier
Camera Operator
Jean Guélis
Choreographer
Jean-Claude Marchetti
Sound
Alain Delon
Tom Ripley
Marie Laforêt
Marge Duval
Maurice Ronet
Philippe Greenleaf
Erno Crisa
Inspector Riccordi
Frank Latimore
O'Brien
Billy Kearns
Freddy Miles
Ave Ninchi
Signora Gianna
Viviane Chantel
Belgian Lady
Nerio Bernardi
Agency Director
Barbel Fanger
Mr. Greenleaf
Lily Romanelli
Housekeeper
Nicolas Petrov
Boris
Elvira Popescu
Mrs. Popova
Romy Schneider
Freddy's Companion (uncredited)
Paul Müller
Blind Man (uncredited)
René Clément
Clumsy Waiter (uncredited)
Jacqueline Parey
Ingrid (uncredited)
Leonello Zanchi
Police Inspector (uncredited)
Walter Grant
Purchaser of the Yacht (uncredited)
Nino Vingelli
(uncredited)
