As a part of Toneelgroep Amsterdam, Robert performed in various plays such as The Fountainhead, Kings Of War and Othello, all directed by Ivo van Hove. He was nominated for an International Emmy Award for his leading role in Skin (dir: Hanro Smitsman). Robert made his international debut in the Irish film Love Eternal (dir: Bredan Muldowney). In 2016 he will perform in a play directed by Simon Stone based on Woody Allen's, Husbands And Wives.