 Mateusz DamięckiTomek | Tomek |
 Kamilla BaarJulia | Julia |
| LLucyna Piwowarska-DmytrówMarta Wolańska | Marta Wolańska |
 Krzysztof ZychJarek | Jarek |
 Małgorzata ForemniakWolańska, Marta's Mother | Wolańska, Marta's Mother |
 Marek ProboszProfessor Wolański | Professor Wolański |
 Wojciech MecwaldowskiAndrzej Dawid | Andrzej Dawid |
| BBodo KoxParty Participant | Party Participant |
| RRadosław FijołekParty Participant | Party Participant |
| DDawid AntkowiakParty Participant | Party Participant |
| KKrzysztof BoczkowskiGrzesiek Samborski | Grzesiek Samborski |
 Dorota AbbeParty Participant | Party Participant |
 Marcin ChabowskiParty Participant | Party Participant |
| MMonika RosteckaParty Participant | Party Participant |
| JJacek StachowskiParty Participant | Party Participant |
| AAdam FijołekParty Participant | Party Participant |
| WWiktoria GruszczyńskaParty Participant | Party Participant |
| JJoanna StembalskaParty Participant | Party Participant |
| MMaria SzyńkarczukParty Participant / Physics Student | Party Participant / Physics Student |
| HHonorata KorchutParty Participant / Physics Student | Party Participant / Physics Student |
| AAdam DzidowskiLaboratory Worker | Laboratory Worker |
| MMonika GabrynowiczLaboratory Worker | Laboratory Worker |
| MMieczysław GabrynowiczLaboratory Worker | Laboratory Worker |
| WWojciech ŁagiewskiLaboratory Worker | Laboratory Worker |
| JJoanna StrąkGirl at the Workshops | Girl at the Workshops |
 Piotr MatwiejczykBoy at the Workshops / Physics Student | Boy at the Workshops / Physics Student |
| MMarek DenysiukLecturer | Lecturer |
| AAlicja PietraszkiewiczPhysics Student | Physics Student |
| TTomasz WawrzakPhysics Student | Physics Student |
| EEwelina KluźniakPhysics Student | Physics Student |
