When a pirate family's arrival shakes up a coastal town, the kids next door offer to help them blend in and fight a bitter rival.
| Actor | Role |
|---|---|
 Tygo GernandtKnokige Krelis | Knokige Krelis |
 Egbert Jan WeeberHector Donderbus | Hector Donderbus |
| SSamuel ReurekasBilly Donderbus | Billy Donderbus |
 Sarah JannehBetsie Donderbus | Betsie Donderbus |
 Matti StookerMichiel Brugman | Michiel Brugman |
| CCeleste HolsheimerElizabeth Daandels | Elizabeth Daandels |
 David LucieerRobert Brugman | Robert Brugman |
 Nyncke BeekhuyzenYvonne Brugman | Yvonne Brugman |
| BBert HanaBuurman Daandels | Buurman Daandels |
 Sytske van der SterBuurvrouw Daandels | Buurvrouw Daandels |
 Peter van HeeringenOpa Donderbus | Opa Donderbus |
 Dylan HaegensPapegaai | Papegaai |
| HHans DoodkorteNordic Walker | Nordic Walker |