Harmen Siezen was born on December 26, 1940 in Noordgouwe, Zeeland, Netherlands as Harmen Reinoud Siezen. He is an actor, known for De trein van zes uur tien (1999), De slimste mens ter wereld (2012) and Triviant (1988). He has been married to Toontje Bouman since 1966. They have two children.