| Actor | Role |
|---|---|
 Ullrich HauptNikola Petkov | Nikola Petkov |
 Wolfgang PreissDr. Georgi Dimitrov | Dr. Georgi Dimitrov |
 Reinhard KolldehoffAnton Jugov | Anton Jugov |
| RReinhold NietschmannDr. Minco Neicev | Dr. Minco Neicev |
| HHans SchellbachGeorgi Dimitrov | Georgi Dimitrov |
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