Rodney Bewes stated that during the filming of this movie, James Bolam made personal remarks against him, and they have not spoken since. The true version of events is that Rodney Bewes spoke to the press and inadvertently mentioned that James Bolam was to be a father. Bolam was not happy and never spoke to Bewes again.
At 28 minutes, no rear view mirror in Bob Ferris's Vauxhall Chevette, but it has been re-attached when the car is shown parked up at the caravan site. The mirror disappears and re-appears several times during the hitch hiker pick up section.