Do You Believe in Swedish Sin?
A German sociologist goes to Sweden to investigate whether the Swedish sin is myth or not. He stations himself in a student home for girls. His fiancée in Berlin fantasizes about the study, and to allay her worries she packs her bags and goes to find him, to convince him to come home.
| Actor | Role |
|---|---|
 Harald LeipnitzHorst Praterweiss | Horst Praterweiss |
 Sune MangsCaretaker | Caretaker |
 Lissi AlandhEmma | Emma |
 Vera TschechowaKristina | Kristina |
 Diana KjærJohanna | Johanna |
| HHelena MäkeläMargareta | Margareta |
| AAnna-Bella MuntherMagdalena, Mr Ps | Magdalena, Mr Ps |
 Lil TerseliusSara | Sara |
 Håkan WestergrenProfessor | Professor |
 Sten ArdenstamReception clerk | Reception clerk |
 Jarl BorssénThe Plumber | The Plumber |
 Cia LöwgrenSecretary | Secretary |
 Börje MellvigNot listed | Not listed |
 Bert-Åke VargNot listed | Not listed |
 Sangrid NerfNot listed | Not listed |
| LLars LennartssonThe Ministers college | The Ministers college |
 Sven-Axel CarlssonBoat driver | Boat driver |
 Isabella KaliffGirl thanking the professor | Girl thanking the professor |
 Lars LindVoice | Voice |
 Barbara SchöneKristina's friend in Berlin | Kristina's friend in Berlin |