A physicist finds himself drawn into an investigation to track down a spy at his research station.
Director:
Marshall Thompson
Dr. Cliff Mitchell
John Loder
Major Anderson
Henry Oscar
John Manning
John Stuart
Dr. Warren
Anne Aubrey
Jill Warren
Magda Miller
Ruth
Murray Kash
Waldo
Michael Mellinger
Tony Norwood
Robert MacKenzie
Dale
Tom Bowman
Charles
Peter Elliott
Syms
Bernard Archard
Inspector
Shirley Thieman
Shiela
