David Mamet Director, Writer Nigel Hawthorne Arthur Winslow Actor Jeremy Northam Sir Robert Morton Actor Rebecca Pidgeon Catherine 'Kate' Winslow Actor Gemma Jones Grace Winslow Actor Guy Edwards Ronald Arthur 'Ronnie' Winslow Actor Matthew Pidgeon Dickie Winslow Actor Colin Stinton Desmond Curry Actor Aden Gillett John Watherstone, Kate's Suitor Actor Sarah Flind Violet, the Housekeeper Actor Neil North First Lord Actor Sara Stewart Miss Barnes, Beacon Reporter Actor Perry Fenwick Fred Actor Alan Polanski Mr. Michaels Actor Duncan Gould Commons Reporter Actor Jim Dunk Colleague Actor Ian Soundy Local Reporter Actor Eve Bland Suffragette Actor Chris Porter MP Actor Terence Rattigan Writer Sarah Green Producer Alaric Jans Original Music Benoît Delhomme Cinematographer Barbara Tulliver Film Editing John Hubbard Casting Ros Hubbard Casting Gemma Jackson Production Design Andrew Munro Art Director