| Actor | Role |
|---|---|
 Kurt MeiselAndrea Galleoni | Andrea Galleoni |
 Harry MeyenProfessor Dr. Frobehn | Professor Dr. Frobehn |
 Josef DahmenZirkusdirektor Sioli | Zirkusdirektor Sioli |
 Werner RiepelAssistent Palmer | Assistent Palmer |
 Ruth GrossiAnna Galleoni | Anna Galleoni |
 Robert MeynJegor Baklanoff | Jegor Baklanoff |
 Rolf NagelBill Brooks | Bill Brooks |
| RRuth PoelzigSenta Viletta | Senta Viletta |
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