Oliver Reed
Ivan Dragomiloff
Telly Savalas
Lord Bostwick
Curd Jürgens
General von Pinck
Philippe Noiret
Monsieur Lucoville
Warren Mitchell
Herr Weiss
Kenneth Griffith
Monsieur Popescu
Vernon Dobtcheff
Baron Muntzof
Annabella Incontrera
Eleanora Spado
George Coulouris
Swiss Peasant
Katherine Kath
Mme. Lucoville
Eugene Deckers
'La Belle Amie' desk clerk
George Murcell
Zeppelin pilot
Michael Wolf
Zeppelin officer
Peter Bowles
Jealous lover at 'La Belle Amie' (uncredited)
William Kendall
M. Marivaux at 'La Belle Amie'
Jeremy Lloyd
English Officer
Roger Delgado
Bureau Member (uncredited)
Maurice Browning
Bureau Member
Milton Reid
Circus victim Leonardi
Frank Thornton
Elevator victim (uncredited)
Nita Lorraine
'La Belle Amie' Girl
Michael Mellinger
Venetian Police Officer (uncredited)
Philip Madoc
German Officer
Rosalind Elliot
Blind hatmaker (Uncredited)
John Abineri
Police Inspector (uncredited)
Anthony Dawes
Assistant Editor (uncredited)
Harry Fielder
Soldier (uncredited)
Michael Gover
Venice Hotel Manager (uncredited)
Peter Graves
Dragomiloff's Butler (uncredited)
John Hallam
Bureau Member (uncredited)
John G. Heller
von Pinck's Aide (uncredited)
Alastair Hunter
Exp!oding Casket Victim (uncredited)
