A British scientist is discovered to have been passing information to the Communists, then kills himself. Another scientist, Dr. Henry Laidlaw Longman (Sir Dirk Bogarde) decides that they might have brainwashed him by a sensory deprivation technique, but he doesn't know if someone really can be convinced to act against their strongest feelings. So he agrees to be the subject in an experiment in which others will try to make him stop loving his wife Oonagh (Mary Ure).
Out of the Black Pit of the "Hate Machine" Came a Thing - Not a Man!
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Did You Know?
In the U.K. print, top-billed Sir Dirk Bogarde
(Dr. Henry Laidlaw Longman) does not turn up until eighteen minutes in. See more
Early on in the film a scientist commits suicide by jumping off a moving train. According to the direction of the train, he jumps out on the right hand side. However, when the train is stopped and people disembark and go down the line to check on him, they are getting out of the train on the left hand side. See more
And I have every limb and organ that a girl should have, except one. I no longer have a shoulder to weep on. A Polish gentleman wore it away with his tears.
This story was suggested by experiments on "THE REDUCTION OF SENSATION" recently carried out by certain Universities in the United States. The producers whilst making this acknowledgment wish to state, however the the events & characters portrayed are fictitious. Any similarity to actual events or persons, living or dead, is purely coincidental. See more