The casting call for the protagonist was genderless, i.e. open for girls, boys, and those who were neither. 500 people between 14 and 17 auditioned but none of them could both dance and act well, so the filmmakers decided to cast the rest of the dancers first, and there they found Victor Polster.
Official submission of Belgium for the 'Best Foreign Language Film' category of the 91st Academy Awards in 2019.
Victor Polster who portrayed Lara is a dancer in real life.
Lukas Dhont got his inspiration for the film in 2009 when he read a newspaper article about a Belgian girl, born male who aspired to become a ballerina. In 2018, they attended the Cannes premiere.