Peter O'Toole, John Standing, Alastair Sim. From the novel by Geoffrey Household. Originally broadcast on the BBC in 1976.
Summary:
"Early in 1939 Sir Robert Thorndyke takes aim at Adolph Hitler with a high powered rifle, but the shot misses its mark. Captured and tortured by the Gestapo and left for dead, Sir Robert makes his way back to England where he discovers the Gestapo has followed him. Knowing that his government would turn him over to German authorities, Sir Robert goes underground in his battle with his pursuers"--IMDb.
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