A disqualified trainer of water jumpers starts work in the province, where he discovers Majka's talent.
| Actor | Role |
|---|---|
 Zbigniew CybulskiPaweł Jańczak | Paweł Jańczak |
 Joanna SzczerbicMajka Plater | Majka Plater |
 Teresa SzmigielównaWanda | Wanda |
 Tadeusz SchmidtGodlewski | Godlewski |
 Jacek DomańskiBronek | Bronek |
 Tadeusz GwiazdowskiChairman | Chairman |
 Zygmunt KęstowiczJournalist | Journalist |
 Wacław KowalskiFruńka | Fruńka |
 Leon NiemczykReferee | Referee |
| AAndrzej OlszańskiKonrad Werner | Konrad Werner |
 Józef PierackiReferee | Referee |
 Alicja SędzińskaSecretary | Secretary |
 Witold PyrkoszJournalist (voice) (uncredited) | Journalist (voice) (uncredited) |
| JJan KulkaAnnouncer (voice) (uncredited) | Announcer (voice) (uncredited) |