An old librarian, Professor Columbus, wants to go to the sea once in his lifetime. So he buys a big ship and takes a boat trip across the North Sea to London, accompanied by a bunch of stoned hippies, and chased by the police.
| Actor | Role |
|---|---|
 Rudolf PlatteColbus | Colbus |
 Jeroen KrabbéJan | Jan |
 Louise MartiniFrau mit Brille | Frau mit Brille |
| MMaria SingerNot listed | Not listed |
 Otto LüthjeNot listed | Not listed |
| HHerbert MenschingBankangestellter | Bankangestellter |
| AAnkie van AmstelAnkie | Ankie |
| GGerard de GrootNot listed | Not listed |
 Phil BloomNot listed | Not listed |
| MMies KohsiekNot listed | Not listed |
| AAnselm van MelisNot listed | Not listed |
 Robert MeynNot listed | Not listed |
| WWalter BachNot listed | Not listed |
 Karl BockxNot listed | Not listed |
| JJan GrefeNot listed | Not listed |
| HHerbert MenschingNot listed | Not listed |