"This has general London street scenes with buses and
trolleybuses, but you can make out in one shot a hired Tilling Bristol K type. (the bus is in soft focus so details cannot be seen)" (thanks Bob Wingrove)
Jon Price identfies ST, STL, RT (roof box and standard), a
Green Line AEC Regal coach and a number of trolleybuses as well as the on loan Tilling Bristol K type.
Trolleybus scenes are abundant in this film:
The scene in which Tom Riley (Bogarde) shoots PC George Dixon has this trolleybus as a backdrop:
The closing scenes of the film convey the continuity of life in London, and the trolleybuses continue to pass:
Many of the views of buses include trolleybus wires:
In this street scene a 10T10 type Green Line T-class AEC Regal can be seen among the 'deckers:
.