Joseph Cotten

Sir Arthur Dundee

Adolfo Celi

Sir Harold Boyd

Alida Valli

Lady Clementine De Revere

Claudio Gora

Anthony Steel

Supt. Jeff Hawks

Tom Felleghy

Dr. Hobbes (uncredited)

Kenneth Benda

Old Gentleman (uncredited)

Franco Ressel

Sgt. Phillips

Joseph Cotten

Sir Arthur Dundee

Adolfo Celi

Sir Harold Boyd

Alida Valli

Lady Clementine De Revere

Claudio Gora

Anthony Steel

Supt. Jeff Hawks

Tom Felleghy

Dr. Hobbes (uncredited)

Kenneth Benda

Old Gentleman (uncredited)

Franco Ressel

Sgt. Phillips

Janet Ågren

Lady Gloria Boyd

Paul Müller

Gibson

Antonio Maimone

Brooks (uncredited)

Leonard Mann

Paul De Revere

Gloria Guida

Polly

Giuseppe Marrocco

Waiter

Mario Novelli

Saboteur

Filippo Perego

Sir Arthur's Butler (uncredited)

Maria Tedeschi

Antonella Bordon

Elio Stefanizzi

Attilio Pelegatti

Policeman

Carlo Savina

Music

Giuseppe Rosati

Director

Giuseppe Rosati

Writer

Franco Fraticelli

Editor

Armando Grilli

Special Effects

Giuseppe Bernardini

Director of Photography

Gloria Granati

Makeup Artist

Marco Sperduti

Camera Operator

Carlo Savina

Music

Giuseppe Rosati

Director

Giuseppe Rosati

Writer

Franco Fraticelli

Editor

Armando Grilli

Special Effects

Giuseppe Bernardini

Director of Photography

Gloria Granati

Makeup Artist

Marco Sperduti

Camera Operator

Romano Checcacci

Sound Mixer

Sergio Fraticelli

Assistant Editor