A gritty six-part mystery thriller serial from 1976, starring John Gregson as Bill Kirby. Bill is an insurance salesman travelling back to the UK from France. Accompanied by Laura Marshall (Prunella Ransome), he has to evade the two armed agents that are following him. A series of murders follow and Bill tries to unmask who's behind them.
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Last updated: June 8, 2026
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Moviely has 1 free Dangerous Knowledge cinematic wallpapers available to browse, preview in Mac Mode, and download.
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Dangerous Knowledge first aired in 1976. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
Dangerous Knowledge is categorized as Mystery.
Alan Gibson directed Dangerous Knowledge.
Dangerous Knowledge stars John Gregson, Prunella Ransome, Patrick Allen, Ruth Trouncer, Ralph Bates.
Dangerous Knowledge has a runtime of 25min.
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