Forest Whitaker (Idi Amin)
James McAvoy (Nicholas Garrigan)
Kerry Washington (Kay Amin)
Gillian Anderson (Sarah Merrit)
Simon McBurney (Stone)
Sam Okello (Bonny)
Sarah Nagayi (Tolu)
Chris Wilson (Perkins)
Dr. Dick Stockley (Times Journalist)
Barbara Rafferty (Mrs. Garrigan)
David Ashton (Dr. Garrigan (Senior))
Daniel Ssettaba (Kay Amin's Servant)
Apollo Okwenje Omamo (Mackenzie Amin)
Louis Asea (Campbell Amin)
Giles Foden (British Journalist 1)
Andy Williams (British Journalist 2)
Martina Amati (Italian Journalist)
Rene Peissker (German Journalist)
Stern Jedidian (American Journalist)
Dave A. Tarun (Asian Tailor)
Clare Wandera (Secretary)
Cleopatra Koheirwe (Joy)
Joanitta B. Wandera (Malyamu Amin)
Consodyne Buzabo (Nora Amin)
Peter Salmon (White Businessman)
Michael Wawuyo (Air Force Commander)
Wilberforce Mutete (Guard)
Haruna Walusimbi (Guard)
Muhammed Kaweesa (Idi's Double)
Grace Mugenyi (Idi's Double)
John Bosco Obiya (Idi's Double)
John Olima (Bagpiper)
Angela Kalule (Chanteuse at Nightclub)
Sam Namatiti (Bass/Keyboards)
Mathias Muwonge (African Xylophone/Lyre)
Joseph Kahirimbanyi (Guitar)
Afrigo Band (Band at Party)
Ndere Troupe (Dancers at Rally)
The Nyonza Singers (Choir at Parliament)
David Oyelowo (Dr. Junju)
Stephen Rwangyezi (Jonah Wasswa)
Abby Mukiibi (Masanga)
Adam Kotz (Dr. Merrit)