A professor of astronomy helping on a missile development program. An old friend of his is a Russian chess champion. The Russian is working with shady businessman Marek and they plan to kidnap the professor and make it look as though he has defected to the Soviet Union.
Ian Carmichael
Curd Jürgens
Janet Munro
George Pravda
Kieron Moore
Hugh Griffith
Derek Tansley
Esma Cannon
Edward Chapman
Frank Williams
Barbara Roscoe
Lynda Baron