Alain Delon

Tom Ripley

Maurice Ronet

Philippe Greenleaf

Marie Laforêt

Marge Duval

Erno Crisa

Inspector Riccordi

Frank Latimore

O'Brien

Billy Kearns

Freddy Miles

Ave Ninchi

Signora Gianna

Viviane Chantel

The Belgian Lady

Barbel Fanger

Mr. Greenleaf

Nerio Bernardi

Agency Director

Elvira Popescu

Mrs. Popova

Lily Romanelli

Housekeeper

Paul Müller

Blind Man (uncredited)

Nicolas Petrov

Boris

Romy Schneider

Freddy's Companion (uncredited)

René Clément

The clumsy waiter (uncredited)

Jacqueline Decaë

Ingrid (uncredited)

Leonello Zanchi

Police inspector (uncredited)

Walter Grant

Purchaser of the yacht (uncredited)

Nino Vingelli

(uncredited)