Wolter Muller graduated from the Amsterdamse Toneelschool in 1999 and then took another year of workshops at the directing course. From 2001 to 2009 he was a permanent actor at the NNT, where he wrote, among other things, the adaptation of Schiller's 'De Rovers'. In the meantime he wrote cabaret scenes for Spijkers met Koppen, a single-play for KRO (Enneagram: 'Gadje') and a few episodes for Shouf Shouf - the series. He was also active as a casting director for the feature film 'Flirt'.