| Drama, Thriller
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).
Second uncredited theatrical movie of Edward Fox (Stewart). He appeared earlier as an uncredited extra in The Loneliness of the Long Distance Runner (1962).
Dr. Henry Laidlaw Longman:
I'm tired. I'm tired of the stupidity that makes a crime out of discovery.
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.
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.
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