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
Cunliffe’s 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
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)
