The Fourth Protocol Filming Locations
The Fourth Protocol was filmed in London in the United Kingdom.
Charing Cross Underground Station as Hyde Park Corner Station (interior)
High Street Kensington Station as High Street Kensington Station (exterior)
Renaissance London Heathrow Hotel as Heathrow Hotel
Barbican Centre (Barbican Complex) as Barbican Theatre
A12 (between Maldon & Southend) as Chase
Filmed while the road was still under construction.
Source: Colin Bright