Full Credits
34 members

Dirk Bogarde
Nicholas Whistler

Sylva Koscina
Vlasta Simoneva

Robert Morley
Col. Cunliffe

Leo McKern
Simoneva

Roger Delgado
Josef

Derek Fowlds
Sun Bathing Man

Eric Pohlmann
Golushha

John Le Mesurier
Roger Allsop

Noel Harrison
Johnnie
Amanda Grinling
Cunliffeβs Secretary

Philo Hauser
Vicek

John Junkin
Clerk in Opening Scene

Jill Melford
Lorna

Derek Nimmo
Fred

Richard Vernon
Roddinghead

Brook Williams
Leon
Gertan Klauber
Technician in Czech Glass Factory

Richard Pasco
Plakov

Alan Tilvern
Simenova's Assistant

Norman Bird
Employment Exchange Clerk

Andre Charisse
Waiter

Frank Finlay
British Embassy Porter
Sandra Hampton
Russian Dancer

Harriet Medin
Hotel Receptionist

William Mervyn
Passenger on Plane

Tiberio Mitri
The Milkman

George Pravda
Pravelko
Robert Rietti

John Standing
Men's Room Attendant
Eddie Boyce
Man in Labour Exchange
Jim Brady
Worker in Canteen
Igo Meggido
Russian Dancer (uncredited)
Reg Thomason
Diner in Restaurant (uncredited)

Pietro Tordi
Old man at the swimming pool (uncredited)
18 members
Ralph Thomas
Director
Giorgio Gentili
Assistant Director
Simon Relph
Assistant Director
Lionel Davidson
Novel
Lukas Heller
Screenplay
Betty E. Box
Producer
Earl St. John
Executive Producer
Ernest Steward
Director of Photography
James Bawden
Camera Operator
Angelo Francesco Lavagnino
Original Music Composer
Don Sharpe
Sound Editor
John W. Mitchell
Sound Recordist
Bill Daniels
Sound Recordist
Syd Cain
Art Direction
Yvonne Caffin
Costume Design
W.T. Partleton
Makeup Artist
Stella Rivers
Hairdresser
Alfred Roome
Editor