When Arthur Davis, a junior bachelor in the British secret service's African section, is seen taking a file with him -to meet his girlfriend Cynthia- the brass fears he may be the leak to Moskow, and allows Dr. Percival to terminate the 'risk factor' by poisoning to avoid a scandal. In fact Davis's desk chief, Maurice Castle, is the double agent since the South African communists helped him smuggle out his black lover Sarah M., meanwhile his wife and mother of schoolboy Sam, to force him to cooperate with the Apartheid government. When Cornelius Muller, the South African official who failed to get him in Pretoria's power, visits London for the anti-communist operation Uncle Remus, he points out Castle still is the natural suspect... Written by
Every man in love is a potential traitor.
Did You Know?
At the time that this espionage movie was made, actor Derek Jacobi
(playing Arthur Davis) had only recently appeared as Guy Burgess in the Cambridge spies tele-movie, Philby, Burgess and Maclean
(1977). The suspicion of treason in both the Graham Greene
novel 'The Human Factor' and this filmed adaption was based on Cambridge spy Kim Philby who was a friend of Greene's. Greene has said though that the central character of Maurice Castle (which is played in this film by Nicol Williamson
) was not based on his former boss Kim Philby. See more
In the South African scenes (filmed in Kenya), the cars have Kenyan registration plates. See more
Davis calls all children "little bastards".