Cast
Leonard Mann
Paul De Revere
Janet Ågren
Lady Gloria Boyd
Paul Müller
Gibson
Claudio Gora
Antonio Maimone
Brooks (uncredited)
Adolfo Celi
Sir Harold Boyd
Alida Valli
Lady Clementine De Revere
Mario Novelli
Saboteur
Attilio Pelegatti
Policeman
Filippo Perego
Sir Arthur's Butler (uncredited)
Joseph Cotten
Sir Arthur Dundee
Anthony Steel
Supt. Jeff Hawks
Franco Ressel
Sgt. Phillips
Kenneth Benda
Old Gentleman (uncredited)
Tom Felleghy
Dr. Hobbes (uncredited)
Maria Tedeschi
Lady Clementine's Friend (uncredited)
Gloria Guida
Polly
Giuseppe Marrocco
Waiter