Simon Rex arrived at the Cannes film festival this year as an outsider: it’s pretty unlikely that any other actors in this year’s heavyweight competition line-up could boast a recurring role in the Scary Movie franchise, a hip-hop career as Dirt Nasty, and a successful transition from adult film. But after the rapturous reception for Sean Baker’s Red Rocket, in which he plays washed-up porn star Mikey Saber, Rex left town with a whole new world of possibilities ahead of him.