| Credited cast: |
 | Friedrich von Thun | - | Narrator (voice) |
 | Christiane Blumhoff | - | (voice) |
| Rest of cast listed alphabetically: |
| Crown Prince Hohenzollern | - | Himself (archive footage) (as Kronprinz Wilhelm) |
| Engelbert Dollfuss | - | Himself (archive footage) (as Bundeskanzler Dollfuß) |
 | Adolf Hitler | - | Himself (archive footage) |
 | Kaiser Wilhelm II | - | Himself (archive footage) |
| Stephan Malinowski | - | Himself - Historiker |
| Manfried Rauchensteiner | - | Himself - Heeresgeschichtliches Museum |
| Alexander Schönburg-Hartenstein | - | Himself |
| Caroline Schönburg-Hartenstein | - | Herself |
| Carl Otmar von Aretin | - | Himself - Historiker (as Karl Otmar von Aretin) |
| Franz von Bayern | - | Himself (as Herzog Franz von Bayern) |
| Gottfried von Bismarck-Schönhausen | - | Himself (archive footage) (as Gottfried Graf von Bismarck-Schönhausen) |
| Leopold-Bill von Bredow | - | Himself (as Bill von Bredow) |
| Otto von Habsburg | - | Himself (as Otto Habsburg) |
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