Professor Archibald Chagrijn exposes the world to his blubbering gas, which makes people sad and causes them to cry. Bassie proves immune to the blubbering gas -- as he has had an overdose of laughing gas. The professor is hiding on the Canary Islands, but Bassie and Adriaan manage to track him down.
Bas van ToorBassie / Head of Secret Service (Voice)
Aad van ToorAdriaan
Paul van GorcumProfessor Archibald Chagrijn
Hans LeendertseJoris
Hans OtjesDe kapitein / Jeroen van der Steen
Guus Verstraete jr.Robin the Robot (Voice) / Reporter / Hotel employee
Dick RienstraInspector Van der SteenJoop HooghiemstraInspector KaletieKaren VerstraeteWomen in hotelFrans VrolijkCrying manSuze BroksCrying woman
