Secret agents from the East and the West scheme to obtain an ingenious invention.
| Actor | Role |
|---|---|
 Otto SanderProfessor Spalt | Professor Spalt |
 Katharina ThalbachTamara | Tamara |
 Irm HermannMutti | Mutti |
 Udo SamelNot listed | Not listed |
 Günter MeisnerNot listed | Not listed |
 Valentin PlătăreanuNot listed | Not listed |
| JJörg FriedrichNot listed | Not listed |
| UUlrich OtteNot listed | Not listed |