Jazz Boat
(1960, Anthony Newley, Anne Aubrey, Lionel Jeffreys)
Comedy-thriller that hasn't aged well. In an early scene crowds are seen arriving at Chislehurst Caves in Kent for a dance to Ted Heath and his Band. In the background is this coach carrying a banner for Ted Heath, but we don't see much of it:
Towards the end, we see crowds arriving for another dance, aboard the 'Jazz Boat', the MV Royal Sovereign. Some of them arrive aboard Timpsons TGJ479, a 1957 AEC Reliance/Burlingham Seagull. Behind it we can see parked a Bedford SBG/Duple: