Zwart has directed the films Agent Cody Banks, One Night at McCool’s, The Mortal Instruments: City of Bones, The Karate Kid (2010), The Pink Panther 2, Long Flat Balls, and Commander Hamilton. He also directed the TV mini-series Hamilton in 2001. Zwart has also directed two videos for the Norwegian band A-ha. Zwart executive produced and directed the video game RollerCoaster Tycoon. One of Zwart’s distinguishing features is placing props representing the city of Fredrikstad and their football club in his films. He was honored with being the first Norwegian to become a member of the Directors Guild of America.