Tom Ripley
Marge Duval
Philippe Greenleaf
Inspector Riccordi
O'Brien
Freddy Miles
Signora Gianna
Belgian Lady
Agency Director
Mr. Greenleaf
Housekeeper
Boris
Mrs. Popova
Freddy's Companion (uncredited)
Blind Man (uncredited)
Clumsy Waiter (uncredited)
Ingrid (uncredited)
Police Inspector (uncredited)
Purchaser of the Yacht (uncredited)
(uncredited)