Mr. Beranger works at Paradesign, a furniture department store where the employees live day and night in the decorations. Himself lives in a show cottage in pasteboard and excels in the promotion of his dachshund footrest. His life seems settled well, until the day when he is promoted to the mysterious thirteenth floor of the store.
Unfortunately the movie The Man Who Knew a Lot is not yet available on HBO Max.
| Writing | Alice Vial | Writer |
| Directing | Alice Vial | Director |
| Art | Julie Plumelle | Set Decoration |
| Production | Marc-Benoît Créancier | Producer |
| Sound | Emmanuel d'Orlando | Original Music Composer |
| Art | Léa Alric | Set Designer |
| Sound | Gautier Isern | Boom Operator |
| Costume & Make-Up | Anna Rivière | Makeup Artist |
| Production | Pierre-François Créancier | Casting |
| Production | Jessica Rosselet | Associate Producer |
| Camera | Brice Pancot | Director of Photography |
| Costume & Make-Up | Sarah Monfort | Costume Design |
| Editing | Grégoire Pontécaille | Editor |
| Production | Anne-Claire Créancier | Production Manager |
| Directing | Felipe Salazar | First Assistant Director |
| Sound | Charlotte Butrak | Sound Editor |
| Sound | Raphaël Devillers | Sound Mix Technician |
| Sound | Samuel Aïchoun | Sound Re-Recording Mixer |
| Crew | Hoël Sainléger | Special Effects |
| Visual Effects | Hoël Sainléger | Visual Effects |
