Tightrope

Sixth-former Martin Clifford is plunged into the world of espionage and sabotage when he and his class see schools programmes from "The Voice of Truth". Forrester, an Intelligence officer, informs him that spies are planning to sabotage a local US Airforce base in his village. Can he identify "The Voice of Truth" in time?

Oyuncular

John Savident

Forrester

Spencer Banks

Martin Clifford

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David Munro

Mr. Harvey

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Marian Diamond

Miss Walker

Frederick Treves

Mr. Fletcher

Sue Holderness

Joanna