Gekkenbriefje (Alternatively: Crazy Going) is a 1981 Dutch film directed by Olga Madsen. It is based upon the book "Zorg dat je een gekkenbriefje krijgt" by Ger Verrips. It was the first movie that Olga Madsen directed. The film is about a Dutch soldier who does not agree with the Dutch politics surrounding the Indonesian War of Independence.
Esgo Heil
Porgy Franssen
Hans Veerman
John Smit
Marijke Conijn
Wim Dröge
Paul Gieske
Rietje Konings
Moniek Kramer
Gijs de Lange
Cor Witschge
Cor van den Brink