Burt Lancaster

Professor

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Helmut Berger

Konrad Huebel

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Silvana Mangano

Marquess Bianca Brumonti

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Claudia Marsani

Lietta Brumonti

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Stefano Patrizi

Stefano

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Elvira Cortese

Erminia

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Philippe Hersent

Doorman

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Guy Tréjan

Art Dealer

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Jean-Pierre Zola

Blanchard

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Umberto Raho

Police Inspector Bernai

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Enzo Fiermonte

Police Inspector

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Romolo Valli

Michelli

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George Clatot

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Valentino Macchi

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Vittorio Fanfoni

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Lorenzo Piani

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Margherita Horowitz

Maid

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Claudia Cardinale

Professor's Wife (uncredited)

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Dominique Sanda

Professor's Mother (uncredited)

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