Average Shot Length = ~7.4 seconds. Median Shot Length = ~7.6.
In adapting 'Elleston Trevor''s novel "The Berlin Memorandum", Harold Pinter largely altered the emphasis of the book to be less of a spy thriller and more of a meditation on the human condition and the duplicitous nature of identity.
Screenwriter Adam Hall's billing is actually a pseudonym for the author of the source 'The Berlin Memorandum' novel Trevor Dudley Smith.