Guest Stars Lisa Zweerman as Greetje Riphagen Sigrid Ten Napel as Lena van Liempo Anna Raadsveld as Betje Wery Sieger Sloot as Frits Kerkhoven Huub Smit as Toon Kuijpers Mark Rietman as Louis Einthoven René Zeldenthuis as Member KP #2 Richard Gonlag as Willy Lages Guido Pollemans as Harry Rond Michel Sluysmans as Wim Sanders Steef de Bot as Arie Robin van den Akker as Iskander Lapian Jos Smit as Member KP #1 Nelleke Zitman as Betje's Mother