A young man travels to Prague to join his new employer, unaware that he is being used as an espionage courier.
Dirk Bogarde
as Nicholas Whistler
Sylva Koscina
as Vlasta Simoneva
Robert Morley
as Col. Cunliffe
Leo McKern
as Simoneva
Roger Delgado
as Josef
Derek Fowlds
as Sun Bathing Man
Eric Pohlmann
as Golushha
John Le Mesurier
as Roger Allsop
Noel Harrison
as Johnnie
Amanda Grinling
as Cunliffe’s Secretary
Philo Hauser
as Vicek
John Junkin
as Clerk in Opening Scene
