Head in the Clouds
(2004, Charlize Theron, Penelope Cruz)
Opens with footage of Schneider Hs of 1916 vintage in Paris:
In England there are glimpses of [https://www.londonbusmuseum.com/|London Bus Museum]]'s preserved STL2377 (EGO426), a 1937 AEC Regent I with LPTB body. Nick Abbott advises he was the driver for the movie, in two scenes, one filmed in Stepney, the other a night scene outside Finsbury Town Hall:
Also appearing is this post-war AEC RT. The scene has a curious colour cast, and perhaps the second RT passing in the distance has been added electronically: