Directed by Otto Preminger | Starring: Richard Attenborough, Derek Jacobi, John Gielgud, Robert Morley

A low-ranking Secret Service agent is conned into supplying information to Eastern Bloc countries. Although he is not a suspect due to his unimportant position, when his office partner is hauled in as a suspect he realises he has got himself into very deep water.

IMDb The Human Factor movie posters