(1959, Marius Goring, Juliette Greco)

British-made film shot mostly on the Rhine nevertheless features three UK coaches in a scene at a German bus station:
The red coach is a Bedford SB/Duple; the coach next to it appears to be TRO540, a 1955 AEC Reliance/Duple Elizabethan new to Biss Brothers of Bishops Stortford, with a German number plate fitted:


The third vehicle is only seen in part:

Also briefly seen is a Mercedes 0.3500:

It's parked in company with another Mercedes (on the right), and a third coach (centre) I can't identify:

(thanks to Alexander, Paul Denyer and Stephen Allcroft)