Brendon tells me Mission: Impossible 5 actually won't be the first film to film inside the House of Parliament, as historical drama Suffragette already filmed there earlier this year, but Metro are reporting that Ethan Hunt and friends are indeed headed for the Commons.
According to the paper:
MI5 will feature numerous well-known locations in London but the Houses of Parliament is clearly the biggest coup. Tom Cruise will obviously feature heavily in the scenes.
'You can imagine the writers are excited about what stints they could pull off inside the Commons.
Other potential UK locations include The Shard and the Olympic Stadium.