The professor loses his wallet. Thinking that he has fallen prey to a thief, he takes it from the man whom he suspects of theft.
| Actor | Role |
|---|---|
 Bolesław PłotnickiŁukasz Kwiatkowski | Łukasz Kwiatkowski |
 Zygmunt KęstowiczWallet Owner | Wallet Owner |
 Barbara LudwiżankaZofia | Zofia |
 Zbigniew KoczanowiczHigh School Headmaster | High School Headmaster |
 Zygmunt ApostołZaremba | Zaremba |
 Tadeusz KosudarskiMilitiaman | Militiaman |
 Jerzy MoesJournalist | Journalist |
 Adam PerzykAntoni | Antoni |
 Andrzej WasilewiczMilitiaman on the Street (uncredited) | Militiaman on the Street (uncredited) |