The PE teacher, Redouane, is seen wearing different football shirts, pke of them is from mexican team Tigres, where french player, André-Pierre Gignac, plays. He was on national team that lost the UEFA Euro Championship to Portugal in 2016.
The cast and crew members all show up in separate "class pictures" in the end credits. The post-production team is seen holding a sign that reads "On verra en post-prod", which translates to "We'll fix it in post".