Cliff Robertson
David Frazer
Acting
Jack Hawkins
Colonel Drexel
Acting
Marisa Mell
Sophie
Acting
Michel Piccoli
Georges Sarrassin
Acting
Bill Fraser
Leslie Dunwoody
Acting
Charles Gray
Benson
Acting
John Le Mesurier
Sir Robert
Acting
Felix Aylmer
Henrickson
Acting
Christopher Witty
Prince Jamil
Acting
Tutte Lemkow
Paviot
Acting
Ernest Clark
Minister
Acting
Keith Pyott
Gustave
Acting
Jose Burgos
El Mono
Acting
James Payne
Russian Officer in Tent (uncredited)
Acting
Jerold Wells
Brindle (uncredited)
Acting
George Roderick
Officer at Circus (uncredited)
Acting