All That Glitters
(c1951, dir Peter Burdett and Bob Angell)
Unremarkable short drama, but it does have this view of a London Transport B-class Bristol K6A/Duple, registration HGCxxx, one of a batch of 20 buses that entered service in 1945 and were withdrawn between 1951 and 1953. Glimpsed in the first screencap is the rear of a BOAC Commer Commando with Park Royal deck-and-a-half body new in 1946:
Also seen in the background of one scene is a London Transport trolleybus with its cab front window open for ventilation: