Guest Stars Finn Poncin as Ferdinand Middelkoop Menno van Beekum as Johan Bergman Gustav Borreman as Julius Koldeweij Steven Van Watermeulen as Rein Kulk Susan Radder as Sanne Stokman Chiem Vreeken as ... Lukas Dijkema as Arnold ten Veldhuis Simone Milsdochter as Rosa Guns Shane Redondo as Kevin Hofstee