Richard Greene

Treasury Agent Lee Scott

Anouk Aimée

Elena Vargas

Michael Denison

British Agent Ricky Metcalfe

José Nieto

Pierre, lead henchman

Alfonso Estela

Henchman

Conrado San Martín

Henchman

Antonio Almorós

Lucien Remue, henchman

G.H. Mulcaster

Col. Ingleby

Robert Ayres

Mr. Dean, American Embassy superior

Richard Warner

Inspector LeGrand, of the Surete

John Warwick

Bryant, manager of the Sportadrome

Philip Saville

Martin Scott

Arnold Bell

Preventive Officer

Olive Milbourne

Mrs. Ingleby

Max Brimmell

Photographer (uncredited)

Alex Gallier

Head Waiter (uncredited)

Lloyd Lamble

Embassy Official (uncredited)

Christopher Lee

Narrator (voice)

Andreas Malandrinos

Proprietor of 'Magasin Gautier' (uncredited)

John Welsh

Senior Customs Officer (uncredited)