Because the director plays table tennis with a Timo Boll racket in his free time, he thought: Why not let table tennis legend Timo Boll play table tennis in my new film? For the drama Marty Supreme Josh Safdie hired the German Boll as a stunt double. It’s like Sebastian Vettel being an extra next to Brad Pitt F1 would give, or Felix Neureuther for action scenes from School of Champions lead off the slopes.