The young mechanic Borge Rasmussen works in Salling Harbour and lives with the slightly older Marinus Frederiksen, who chairs the city's port workers. Marinus sees in Borge, who has lost his parents, his only friend and is easily influenced by his extremist views.
| Actor | Role |
|---|---|
 Poul ReichhardtFagforeningsformanden Marinus | Fagforeningsformanden Marinus |
 Kjeld PetersenPartiformand Werner Schultz | Partiformand Werner Schultz |
 Henrik WieheBørge Rasmussen | Børge Rasmussen |
 Asbjørn AndersenDr. med. Hans Kerner | Dr. med. Hans Kerner |
 Vera GebuhrCharlotte Kerner | Charlotte Kerner |
 Poul MüllerSømanden Otto | Sømanden Otto |
 Johannes MeyerRedaktøren på Sallinghavn Amtsavis | Redaktøren på Sallinghavn Amtsavis |
 Karen LykkehusElvis mor, Dagny | Elvis mor, Dagny |
 Jakob NielsenLodsen Anthon Olsen | Lodsen Anthon Olsen |
 Jørn JeppesenBørges mester, Auto-Søren | Børges mester, Auto-Søren |
 Lauritz OlsenTjener Frandsen | Tjener Frandsen |
 Ib SchønbergKriminalassistent Iversen | Kriminalassistent Iversen |
 Bodil UdsenDame fra børneværnet | Dame fra børneværnet |
 Mimi HeinrichElvi Hansen | Elvi Hansen |