Lars interrupts his studies in mathematics at Uppsala University. Instead he takes a job as a teacher in an industrial community. When he discovers that one of his students is a mathematical genius, his desire for studies awakens.
| Actor | Role |
|---|---|
 Magnus KrepperLars Herdin | Lars Herdin |
 Sverrir GudnasonJonny | Jonny |
 Johanna LazcanoClaire | Claire |
 Ann-Sofie RaseIngrid | Ingrid |
 Tord PetersonEbbeling | Ebbeling |
| AAnders Palmthe father | the father |
 Eva FritjofsonThe mother | The mother |
| CChristoffer PianadaiLittle brother | Little brother |
 Rolf LydahlPrincipal Wedelin | Principal Wedelin |
 Henrik LundströmThe dough | The dough |
| AAdam JonassonThomas | Thomas |
| IIsmo NurmilehtoCommissioner Lehtinen | Commissioner Lehtinen |
| TTomas ÖstlingProfessor Karlander | Professor Karlander |
| HHarriet PetterssonNurse | Nurse |
| IIngalill Sjödin-NylundIngrid's mom | Ingrid's mom |
| KKenneth RosbäckClaire's dad | Claire's dad |
| KKent Petterssonthe American owner | the American owner |