A doctor discovers a new medical cure with dangerous side effects, and takes the drug himself to test its limitations.
| Actor | Role |
|---|---|
 Hans AlbersDr. Heinrich Blank | Dr. Heinrich Blank |
 Willy BirgelDr. Herbert Fingal | Dr. Herbert Fingal |
 Maria HolstDr. Cora Berndsen | Dr. Cora Berndsen |
 Lil DagoverFrau Dakar | Frau Dakar |
 Alexander GollingMartin Karper | Martin Karper |
 Otto WernickeHerr Dakar | Herr Dakar |
 Heidemarie HatheyerMaria Hendrix | Maria Hendrix |
 Heinrich GretlerPaul Hendrix | Paul Hendrix |
 Joseph OffenbachKommissar Beerbohm | Kommissar Beerbohm |
 Edith Schultze-WestrumSchwester Grete | Schwester Grete |
 Georg LehnAssistent von Beerbom | Assistent von Beerbom |
 Fritz BenscherFreund von Dakar | Freund von Dakar |
 Ernst Stahl-NachbaurNot listed | Not listed |
| AArnulf SchröderNot listed | Not listed |
| KKarl SchaidlerNot listed | Not listed |
 Walter JanssenNot listed | Not listed |
 Harald MannlNot listed | Not listed |