Tom Ripley/Philippe Greenleaf

Alain Delon

Marge Duval

Marie Laforêt

Philippe Greenleaf

Maurice Ronet

Inspector Riccordi

Erno Crisa

Mrs. Popova

Elvire Popesco

O'Brien

Frank Latimore

Freddy Miles (as Bill Kearns)

Billy Kearns

Signora Gianna

Ave Ninchi

The Belgian Lady

Viviane Chantel

Agency Director

Nerio Bernardi

Boris

Nicolas Petrov

Mr. Greenleaf

Barbel Fanger

Housekeeper

Lily Romanelli

Freddy's Friend

Romy Schneider

Mrs. Popova

Elvira Popescu

Blind Man (uncredited)

Paul Müller

Waiter (uncredited)

René Clément

Ingrid (uncredited)

Jacqueline Decaë

Police inspector

Leonello Zanchi

Purchaser of the yacht

Walter Grant

Nino Vingelli

Jess Hahn