Polly

Gloria Guida

Acting

Paul De Revere

Leonard Mann

Acting

Sir Arthur Dundee

Joseph Cotten

Acting

Sir Harold Boyd

Adolfo Celi

Acting

Supt. Jeff Hawks

Anthony Steel

Acting

Lady Gloria Boyd

Janet Agren

Acting

Lady Clementine De Revere

Alida Valli

Acting

Sgt. Phillips

Franco Ressel

Acting

Gibson

Paul Müller

Acting

Saboteur

Mario Novelli

Acting

Elio Stefanizzi

Acting

Claudio Gora

Acting

Waiter

Giuseppe Marrocco

Acting

Policeman

Attilio Pelegatti

Acting

Old Gentleman (uncredited)

Kenneth Benda

Acting

Dr. Hobbes (uncredited)

Tom Felleghy

Acting

Brooks (uncredited)

Antonio Maimone

Acting

Sir Arthur's Butler (uncredited)

Filippo Perego

Acting

Lady Clementine's Friend (uncredited)

Maria Tedeschi

Acting