In The Loop (2009)

Director: Armando Iannucci
Writers: Jesse Armstrong, Simon Blackwell
Cast:
Tom Hollander
Gina McKee
James Gandolfini
Chris Addison
Anna Chlumsky
Enzo Cilenti
Paul Higgins
Mimi Kennedy
Release Date: USA 22 January 2009
Tagline:The fate of the world is on the line.

Plot:The US President and UK Prime Minister fancy a war. But not everyone agrees that war is a good thing. (source: imdb.com)