The Thirty-Nine Steps is an adventure novel by the British author (and future Governor General of Canada) John Buchan, first published in 1915. It is the first of five novels featuring Richard Hannay, an all-action hero with a stiff upper lip and a miraculous habit of getting himself out of sticky situations.
this 2008 tv film features:
Eddie Marsans (Little Dorrit)
Patrick Malahide (Middlemarch)
David Haig (My Boy Jack)
Patrick Kennedy (Bleak House)
Alex Jennings (Cranford)
The screenplay does differ from the book.
They added the character of Victoria Sinclair and renamed or omitted other characters.
>>PBS Masterpiece link
so it held my attention, or to be more accurate, RPJ did!