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Peter Chapman (Nicholas Lyndhurst) is a lecturer in electronics.

One day, he's recruited by MI5 and finds himself working in the shadowy world of espionage and counter-espionage.

His new job is so 'hush hush' that he isn't even allowed to tell his wife Sarah (Serena Evans) about it.

Other main characters include Drummond (Clive Francis), Dexter (Michael Percival) and Maxwell (John Ringham).

Series: 3
Episodes: 21
Transmitted: 1990-1992
Channel: ITV

London Weekend Television

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