This German educational film about sexually transmitted diseases, through a mixture of medical imagery and love making scenes, makes the case for a timely medical treatment of gonorrhea and syphilis, and underpins this plea primarily with blatant clinical evidence of the syphilitic secondary stage.
| Actor | Role |
|---|---|
 Karl JohnDr. Gerd Hesse | Dr. Gerd Hesse |
| BBente NielsenSabine | Sabine |
 Günter ClemensDr. Oliver | Dr. Oliver |
| IIvetta BraszdaPetra | Petra |
| DDagobert WalterKlaus | Klaus |
| MMarlies PetersenHilde Seiffert | Hilde Seiffert |
| AAlexander AllersonMr. Seiffert | Mr. Seiffert |
 Claus JurichsBenno | Benno |
 Ronald NitschkeHans | Hans |