(2011, Jason Statham, Clive Owen, Robert de Niro)

Thriller partly set in London but filmed in Melbourne. One of the few views of London is this, featuring an AEC Routemaster and a Mercedes Citaro artic:

This AEC Routemaster does appear more clearly - I'm assuming this is shot in Australia:

The other two 'London' buses are not so convincing. One is a Leyland Atlantean PDR1A/1 with Australian Pressed Metal Corporation body, the other, glimpsed, is a Bristol Lodekka FLF:

Thanks to Keith.