The sincere and innocent amorous outburst of a mining apprentice clashes with the insensitive misunderstanding of adults...
| Actor | Role |
|---|---|
 Jiří BednářPavel | Pavel |
 Zuzana SchnöblingováSarka, Pavel's girl | Sarka, Pavel's girl |
 Josef Langmilereducator Frantisek Ancar | educator Frantisek Ancar |
| AArnošt FaltýnekBleha | Bleha |
| MMilan DvořákPinďa | Pinďa |
| AAleš KošnarVojta | Vojta |
| VVladimír VyskočilBulín | Bulín |
| PPetr MachLesák | Lesák |
| JJan VýbornýSufan | Sufan |
 Jitka ZelenohorskáBetka | Betka |
| KKvětoslava HoudlováSarka's mother | Sarka's mother |
| PPavel PetrášBína | Bína |
 Jan HanžlíkFranta | Franta |
 Jaroslav MoučkaPavel's father | Pavel's father |
| AAntonín ŠeplavýRacer | Racer |
| JJaroslav KřížSNB | SNB |
| JJaroslav RadimeckýPetr Petrán | Petr Petrán |
| VVladimír ŠvabíkDirector | Director |
| MMiloš BundaVasek | Vasek |
 Ludmila RoubíkováNeighbor | Neighbor |
| FFrantišek MikutaNot listed | Not listed |
| EEliška VelímskáBetka's mother | Betka's mother |
| JJan JindřichNot listed | Not listed |
| LLadislav SpěvákNot listed | Not listed |
| VVáclav PodhorskýReferee | Referee |
| JJosef HladíkLibušiňák | Libušiňák |
| JJaroslav PuklNot listed | Not listed |
| PPetr PetrášNot listed | Not listed |
| EE. PeprníkováNot listed | Not listed |