Storyline

Clement Thibert, an unknown French physicist who studied energy, was kidnapped by Boris, a Soviet KGB member disguised as a symphony orchestra conductor, on his way to the International Thermonuclear Conference in Vienna in 1957 and taken to the Soviet Union. Later, Tibel worked for the Soviet Atomic Energy Research Institute under the coercion of the KGB...

Cast

Lino Ventura / Leo Genn / Suzanne Flon

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