(in alphabetical order)
(in credits order)
Rest of cast listed alphabetically
- Archduke Franz Ferdinand(archive footage) (as François-Ferdinand)
- Winston Churchill(archive footage)
- Emperor Franz Josef(archive footage) (as François-Joseph Ier)
- Grand Duchess Anastasia(archive footage)
- Jean Jaurès(archive footage)
- Kaiser Wilhelm II(archive footage) (as Guillaume II)
- King George V(archive footage) (as George V)
- Tsar Nicholas II(archive footage) (as Nicolas II)
- Woodrow Wilson(archive footage)
