 Edwige FeuillèreCountess Sophie Chotek | Countess Sophie Chotek |
 John LodgeArchduke Franz Ferdinand | Archduke Franz Ferdinand |
 Aimé ClariondPrince of Montenuovo | Prince of Montenuovo |
| JJean WormsEmperor François Joseph | Emperor François Joseph |
 Jean DebucourtJanatschek | Janatschek |
 Raymond AimosValet of François Ferdinand | Valet of François Ferdinand |
 Gabrielle DorziatArchduchess Marie-Thérèse | Archduchess Marie-Thérèse |
 Henri BoscSerbian Ambassador | Serbian Ambassador |
 Gaston DuboscCount Chotek | Count Chotek |
 Marcel AndréArchduke Frédéric | Archduke Frédéric |
 Eddy DebrayNot listed | Not listed |
 Jacques RousselNot listed | Not listed |
 Colette RégisArchduchess Isabelle | Archduchess Isabelle |
| SSylvain ItkineNot listed | Not listed |
| JJacqueline MarsanYoung archduchess | Young archduchess |
| HHenri BeaulieuNot listed | Not listed |
| WWilliam AguetChamberlain (uncredited) | Chamberlain (uncredited) |
 Jean Buquet(uncredited) | (uncredited) |
| MMonique ClariondYoung archduchess (uncredited) | Young archduchess (uncredited) |
| FFrancine Claudel(uncredited) | (uncredited) |
 Louis Florencie(uncredited) | (uncredited) |
| GGeorges-François Frontec(uncredited) | (uncredited) |
 Gilbert GilGavrilo Princip (uncredited) | Gavrilo Princip (uncredited) |
 Jean-Paul Le ChanoisGavrilo Princip (uncredited) | Gavrilo Princip (uncredited) |
 Geneviève Morel(uncredited) | (uncredited) |
 Primerose Perret(uncredited) | (uncredited) |
 Philippe Richard(uncredited) | (uncredited) |
