Forest Whitaker character Idi Amin
James McAvoy character Dr. Nicholas Garrigan
Simon McBurney character British Diplomat
Gillian Anderson character Sarah Merrit
Kerry Washington character Kay Amin
David Oyelowo character Dr. Thomas Junju
Abby Mukiibi Nkaaga character Masanga
Adam Kotz character Dr. David Merrit
Barbara Rafferty character Mrs. Garrigan
David Ashton character Dr. Garrigan - Senior
Sarah Nagayi character Tolu
Stephen Rwangyezi character Jonah Wasswa
Sam Okelo character Bonny
Dick Stockley character Times Journalist
Chris Wilson character Perkins
Daniel Ssettaba character Kay Amin's Servant
Giles Foden character British Journalist 1
Andrew Williams character British Journalist 2
Martina Amati character Italian Journalist
