A secret jet aircraft capable of traveling three times the speed of sound is being developed by a group of scientists. On the day of the test flight, one of the scientists dies in a mysterious accident, and there are many arguments concerning the flight itself; some think it should be ground-controlled while Heathley (James Donald) wants it to be a manned flight with himself at the controls. Conflict also arises when one of his fellow scientists, taking advantage of Heathley's lack of attention toward his wife, Lydia (Phyllis Calvert), makes some moves on her. Then there is the question of just who is the enemy agent on the project.
A secret jet aircraft capable of traveling three times the speed of sound is being developed by a group of scientists. On the day of the test flight, one of the scientists dies in a mysterious accident, and there are many arguments concerning the flight itself; some think it should be ground-controlled while Heathley (James Donald) wants it to be a manned flight with himself at the controls. Conflict also arises when one of his fellow scientists, taking advantage of Heathley's lack of attention toward his wife, Lydia (Phyllis Calvert), makes some moves on her. Then there is the question of just who is the enemy agent on the project.
Top Cast
James Donald
Character: Michael Heathley
Phyllis Calvert
Character: Lydia Heathley
Noel Willman
Character: Dr. Dennis Bord
Herbert Lom
Character: Dr. Alex Leon
Robert Beatty
Character: Maj. Sam Seagram
Patric Doonan
Character: Brian Jackson
Walter Fitzgerald
Character: Sir Charles Craddock
Muriel Pavlow
Character: Caroline Cartier
Maurice Denham
Character: Prof. Carrington
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