‘We have different memories of our shared history,’ says French superstar Omar Sy in Cannes

Film-makers are holding up a mirror to France over its colonial past at the Cannes festival, helped by star power and a growing French readiness to face up to injustices committed. French superstar Omar Sy – who has won a huge international following with his roles in "Untouchable" and the Netflix smash hit "Lupin" – plays the lead in “Tirailleurs”, a story about France's forced recruitment of Senegalese soldiers during World War I.