World-famous geneticist Professor Hülsenbeck is a man of integrity who refuses to mix science and political gain. When his findings are being used to harm humanity, he immigrates to the USA in 1933 in protest against Nazi racial politics.
| Actor | Role |
|---|---|
 Armin Mueller-StahlDr. Brock | Dr. Brock |
 Katja ParylaVera Brock | Vera Brock |
 Viktor AvdyushkoSlatkow | Slatkow |
 Galina PolskikhWalja Slatkowa | Walja Slatkowa |
 Norbert ChristianProfessor Hülsenbeck | Professor Hülsenbeck |
 Mathilde DaneggerClara Hülsenbeck | Clara Hülsenbeck |
| VValeria MarianKari | Kari |
 Fred DelmareProfessor Bergmann | Professor Bergmann |
| DDaniela GolzBaby | Baby |
| WWerner EhrlicherWerner Bengsdorf | Werner Bengsdorf |
 Ursula Am-EndeGerti Bengsdorf | Gerti Bengsdorf |
| HHarald HauserRice | Rice |
 Frank BeyerParker | Parker |
| GGünter DrescherTaxichaffeur | Taxichaffeur |
 Tamara SovchiBraut | Braut |