Guillaume Canet
Rene Faulques
Mark Strong
Conor Cruise O'Brien
Jason O'Mara
Sgt. Jack Prendergast
Michael McElhatton
General McEntee
Mikael Persbrandt
Dag Hammarskjold
Danny Sapani
Moise Tshombe
Fionn O'Shea
William Reidy
Fiona Glascott
Carmel Quinlan
Emmanuelle Seigner
Madame LaFontagne
Conor Quinlan
P.J. (Patrick Joyce)
Sam Keeley
Billy (Sniper) Ready
Conor MacNeill
Radio Operator
Luc Van Gunderbeeck
Charles de Gaulle
Jordan Mifsud
John Donnelly
Charlie Kelly
Walter Hegarty
Ashish Gangapersad
General Raja
Richard Lukunku
Patrice Lumumba
Andrew Stock
Man in White Suit
Thulasizwe Kubheka
Tshombe's Aide
Michael Richard
USSR Ambassador