Gloria Guida

Polly

Acting

Leonard Mann

Paul De Revere

Acting

Joseph Cotten

Sir Arthur Dundee

Acting

Adolfo Celi

Sir Harold Boyd

Acting

Anthony Steel

Supt. Jeff Hawks

Acting

Janet Ågren

Lady Gloria Boyd

Acting

Alida Valli

Lady Clementine De Revere

Acting

Franco Ressel

Sgt. Phillips

Acting

Paul Müller

Gibson

Acting

Mario Novelli

Saboteur

Acting

Elio Stefanizzi

Acting

Claudio Gora

Acting

Giuseppe Marrocco

Waiter

Acting

Attilio Pelegatti

Policeman

Acting

Kenneth Benda

Old Gentleman (uncredited)

Acting

Tom Felleghy

Dr. Hobbes (uncredited)

Acting

Antonio Maimone

Brooks (uncredited)

Acting

Filippo Perego

Sir Arthur's Butler (uncredited)

Acting

Maria Tedeschi

Lady Clementine's Friend (uncredited)

Acting