This is the first animated film since Valzer con Bashir (2008) to be in the main competition of Cannes Film Festival.
A posthumous release for Jean-Louis Trintignant (who voiced the narrator) as he passed away on June 2022.
Original literary work: "La plus précieuse des marchandises", tale by Jean-Claude Grumberg, published by Le Seuil, Paris, 2019, 128 pages, ISBN: 978-2021414196.
Director Michel Hazanavicius drew the pictures himself. He had been drawing for himself since he was 10 years old, but never showed his drawings to anybody, outside his friends and family.