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.
as Bassie / Vlugge Japie
as Adriaan
as De Baron
as B2
as Adjudant van der Steen
as Agent
as Wachtmeester Elsink
as Agent in Burger 1#
as Agent in Burger 2#
as Robin (Stem)
