Racing driver Michael Tetjus returns from America to Berlin having broken a world record. His relationship with his wife the film actress Katja is strained due to their respective focus on work. Michael is intrigued by a new turbine being designed by his friend the engineer Zöger ANZ his assistant Enja.
| Actor | Role |
|---|---|
 Karl Ludwig DiehlMichael Tetjus | Michael Tetjus |
 Dorothea WieckEnja | Enja |
 Friedl HaerlinKatja Lorenz | Katja Lorenz |
 Alexander GollingZöger | Zöger |
 Paul BildtHalliant | Halliant |
| EEduard von WintersteinDer Notar | Der Notar |
 Josefine DoraNot listed | Not listed |
 Grete ReinwaldNot listed | Not listed |
 Walter FranckDer Regisseur | Der Regisseur |
| HHenry LorenzenPieselang, Aufnahmeleiter | Pieselang, Aufnahmeleiter |
 Albert HörrmannNot listed | Not listed |
| HHugo Werner-KahleNot listed | Not listed |
 F. W. Schröder-SchromNot listed | Not listed |