The opening shot of the burning car driving off the cliff and hitting the rocks on its way into the sea was used in TV episode Car in Flames (1962). In Smokescreen, the shot included a brief cutaway of two lovers who witnessed the incident; in the TV episode, the shot was continuous.
The "smudger" on the pier takes a photograph unasked and says, "Lovely picture for a dollar, Sir?" He isn't talking to an American tourist. In the days before decimalisation "half a dollar" was common English slang for half a crown, two shillings and sixpence or one eighth of a pound sterling. It was much more common to refer to five shillings as "a dollar" than "a crown."