(1959, Laurence Harvey, Simone Signoret)
“Urban location shots in Yorkshire, of West Yorkshire Road Car Bristol Ks and KSWs, complete with authentic soundtrack - no false, dubbed on sounds.” (thanks Stuart Turner):
The only clearly identifiable bus seen is West Yorkshire's HWW865, a Bristol K/Eastern Coachworks:
A scene filmed at New Bank on the A58 in Halifax features passing Yorkshire Woollen Leyland Titan PD2s on the Halifax-Leeds service. Thanks to Bob Wingrove for the research on this: