The Limbo Line
(1968, Craig Stevens, Kate O'Mara)
Obscure British spy thriller features URO925E, a 1967 Bedford VAL14/Plaxton. These screencaps are low quality, but this is the best footage I could find. We see passengers boarding at Victoria Coach Station. Parked alongside are an East Kent AEC Reliance/Park Royal, a Stratford Blue Leyland Leopard/Marshall and a Royal Blue Bristol MW/Eastern Coachworks:
URO925E leaves Victoria and heads to the Continent via Dover. The owner shown on the back is Hardwick's International Tours, but in fact it was owned at the time by Jack Crump, frequent supplier of coaches for films, hence the black and white livery: