The Baron and his cronies steal a precious crown and hide in a secret room of an abandoned castle. With the help of their tiny robot Robin, Bassie and Adriaan set out to find the crown and return it to the museum.
Bas van Toor
Bassie / Vlugge Japie
Aad van Toor
Adriaan
Paul van Gorcum
De Baron
Joop Dikmans
B2
Dick Rienstra
Adjudant van der Steen
Theo van Woerden
Agent
Jan Buitenga
Wachtmeester Elsink
Arie Blokland
Agent in Burger 1#
Jan Doets
Agent in Burger 2#
Ina van Toor
Robin (Stem)