"Set and filmed in Birmingham in 1973 or 4; there are a few street scenes
which show a handful of buses such as the 'Standards', also ex Birmingham Corporation Daimler
Fleetlines and a smidgeon of Midland Red." (thanks Frank).
Initially we see partial glimpses:
....then a distant BMMO S16 or S17:
Then we see more recognisable West Midlands Daimler Fleetlines, and unidentifiable half cabs:
A street parade includes a Midland Red Daimler Fleetline/Alexander, a West Midlands Fleetline, and also a Commer Walkthru, one of six 18 seaters new in 1971:
....and as a bonus there's Cliff Richard (or his stunt double) flying a hovercraft on Birmingham's canals: