First work by Nicolas Winding Refn since Pusher III (2005) to star Zlatko Buric. It's their fifth director-actor collaboration.
Per Thiim Thim, portraying "Sven", gained a lot of weight for his role, ending up at 112 kg (roughly 250 lbs). Subsequently he transformed his body via intense diet and training - removing about 40-50 kg of fat, and gaining a lot of muscle.
Per Thiim Thim was the first official Danish astronaut Candidate.