•
•
•
•
•
•
•
•
•
•
A physicist finds himself drawn into an investigation to track down a spy at his research station.

Dr. Cliff Mitchell

Major Anderson

John Manning

Dr. Warren

Jill Warren

Ruth

Tony Norwood

Charles

Inspector

Dr. Cliff Mitchell

Major Anderson

John Manning

Dr. Warren

Jill Warren

Ruth

Tony Norwood

Charles

Inspector