Basil Dearden

This movie debut for saucy British TV comic Benny Hill has Benny leaving his job as a sweeper after winning some money. He becomes a private detective and investigates a plot to assassinate British scientists.

In the Sudan, in 1884 to 1885, Egyptian forces led by British General Charles "Chinese" Gordon (Charlton Heston) defend Khartoum against an invading Muslim Army led by a religious fanatic, Mohammed Ahmed el Mahdi (Sir Laurence Olivier).

Dedicated British scientist Dr. Henry Laidlaw Longman (Sir Dirk Bogarde) tests the possibility of brainwashing. If the experiment succeeds, he will stop loving his wife Oonagh (Mary Ure).