Have to be ones that you have seen!
Mine are:
Guy X http://www.filmsoc.warwick.ac.uk/index.php?page=filminfo&id=1716
Keeping Mum http://www.filmsoc.warwick.ac.uk/index.php?page=filminfo&id=1764
Inside Man http://www.filmsoc.warwick.ac.uk/index.php?page=filminfo&id=1802
The Moguls http://www.filmsoc.warwick.ac.uk/index.php?page=filminfo&id=1856
Any thoughts :?: