Director Romain Gavras filmed in a fake version of Paris with 300 Chinese schoolchildren:
Here’s an interview with Gavras by Selim Bulut for Dazed:
Bulut: What’s the name of the actor who plays the main character?
Gavras: His name is Hassan Kone. We found him in Paris. He’s 17, still in high school. He was amazing because it was a first time thing, he was street-cast. At first – and this is what I was saying about the process – I didn’t want to cast him. I just went to my casting director and I was briefing him to find somebody interesting to be the main character, so there was, like, 20 guys to go by. I didn’t want just an interesting face, I wanted somebody that has an emotion that’s really strong. And there was that kid. He was the only albino (in the casting), and although I was not looking for that, I thought ‘Oh, he’s really interesting. He moves me, I don’t know why, but he moves me.’ So then when we were in China, we looked for Chinese albinos – which is not easy to find because they’re not accepted socially. We found them through Chinese Facebook links, and I ended up in a party of Chinese albinos. They hang out with each other, and some of them were great, and we cast them for the video.
As a reminder, here’s the finished video: