Ioan Gruffudd William Wilberforce
Romola Garai Barbara Spooner
Michael Gambon Lord Charles Fox
Rufus Sewell Thomas Clarkson
Toby Jones Duke of Clarence
Jeremy Swift Richard the Butler
Nicholas Day Sir William Dolben
Tom Fisher John Ramsay
Richard Ridings Speaker of the House
David Toole Beggar
Angie Wallis Marjorie
Harry Audley Edward Hope--Quaker
Chris Barnes Michael Shaw--Quaker
Andrew Whipp MP 1
Andrew Neil MP 2
Estelle Morgan Maid
Philip Dunbar Camber
Adam Woodroffe Parliamentary Clerk
Neville Phillips Old Parliamentary Official
Eki Maria Young African Woman
Daniel Naprous Delivery Coach Driver
Peter White Delivery Assistant