Elenco - O Sol por Testemunha
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. GreenleafLily Romanelli
HousekeeperNicolas 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)