Mel Gibson character James Murray
Sean Penn character Dr. William Chester Minor
Natalie Dormer character Eliza Merrett
Ioan Gruffudd character Henry Bradley
Jeremy Irvine character Charles Hall
Brendan Patricks character Winston Churchill
Adam Fergus character Alfred Minor
Jennifer Ehle character Ada Murray
Brian Fortune character Head Board Member
Aidan McArdle character Defence Attorney Clarke
David Crowley character Parfit
Kieran O'Reilly character Minor's Father
Bryan Murray character Henry Liddell
Oengus MacNamara character Bailiff #1
Christopher Maleki character Joseph
Sean Duggan character Tom Coleman
Bryan Quinn character Sir Richard
Steve Gunn character Lambeth Man
Malcolm Freeman character Colonel
Joe McKinney character Attendant No.1
Olivia McKevitt character Clare Merrett
Shane Noone character George Merrett
Robert McCormack character Harold Murray
Ronan O'Connor character Gate Guard
John Morton character Scriptorium Assistant
Abigail Coburn character Elsie Murray
Paul Gough character Guard
Lucas Browne character Eastman Minor
Eddie Marsan character Muncie
Steve Coogan character Frederick James Furnivall
Stephen Dillane character Dr. Richard Brayne
David O'Hara character Church
Laurence Fox character Philip Lyttelton Gell
Lars Brygmann character Max Mueller
