Richard Bailey - Clerk
Alex Blake - Heckler
Sean Bloc - Member of Parliament
Stephen Campbell Moore - James Stephen
Robert Roy Collins - Clerk
Benedict Cumberbatch - Pitt the Younger
Martin Nigel Davey - The Boat Servant
Jazz Dhiman - Member of Parliament
Nicholas Farrell - Henry Thornton
Albert Finney - John Newton
Michael Gambon - Lord Charles Fox
Romola Garai - Barbara Wilberforce
Georgie Glen - Hannah More
Ioan Gruffudd - William Wilberforce
Ciarán Hinds - Lord Tarleton
Toby Jones - Duke of Clarence
Tom Knight - Physician
Sylvestra Le Touzel - Marianne Thornton
Youssou N'Dour - Oloudaqh Equiano
Bill Paterso
