Mads "Crumb" Krumborg need a new bike so he can take part in an important race against a neighboring school. But it will be difficult to afford to buy a new printer, since the boy's father suddenly decides to terminate his job to invent a machine that according to him will change the world. At the same time a couple of crooks wind of his father's invention, and when the family Krum Borg's future is in problems, Crumb and his siblings to the occasion and save the day.
| Actor | Role |
|---|---|
 Victor StoltenbergKrumme | Krumme |
 Henning Valin JakobsenFar | Far |
 Lisbeth WulffMor | Mor |
 Martine Ølbye HjejleStine | Stine |
 Luca Reichardt Ben CokerGrunk | Grunk |
 Tommy KenterSvendsen | Svendsen |
 Kirsten NorholtFru Olsen | Fru Olsen |
 Jens Jørn SpottagAdvokat | Advokat |
 Lars BomBankdirektør | Bankdirektør |
 Mia LyhneYrsas mor | Yrsas mor |
 Annabella SørensenYrsa | Yrsa |
 Rasmus BaltzersenTom | Tom |
| AAnton Petrov VammenHans | Hans |
 Preben KristensenSkoleleder | Skoleleder |
 Frederik Meldal NørgaardJansen | Jansen |
 Albert Rosin HarsonAnton | Anton |
| MMustapha ColeMohammed | Mohammed |
| AAron BratlannDennis | Dennis |
| MMia AunbirkLouise | Louise |
| BBerfin GucluAila | Aila |
| CCornelia KruseMora | Mora |
 Lin Kun WuWong | Wong |
 Morten ChristensenJournalist | Journalist |
| JJacob SimonsenFotograf | Fotograf |
 Nina ChristrupMejse | Mejse |
 Anders Brink MadsenPolitimand | Politimand |