Benicio del Toro Moses Rosenthaler Adrien Brody Julian Cadazio Tilda Swinton J. K. L. Berensen Léa Seydoux Simone Frances McDormand Lucinda Krementz Timothée Chalamet Zeffirelli B. Lyna Khoudri Juliette Jeffrey Wright Roebuck Wright Mathieu Amalric Le Commissaire Steve Park Nescaffier Bill Murray Arthur Howitzer, Jr. Owen Wilson Herbsaint Sazerac Liev Schreiber T.V. Host Elisabeth Moss Alumna Edward Norton The Chauffeur Willem Dafoe Albert 'The Abacus' Lois Smith Upshur 'Maw' Clampette Saoirse Ronan Principal Showgirl Christoph Waltz Paul Duval Cécile de France Mrs. B Guillaume Gallienne Mr. B Jason Schwartzman Hermès Jones Tony Revolori Young Rosenthaler Rupert Friend Drill-Sergeant Henry Winkler Uncle Joe Bob Balaban Uncle Nick Hippolyte Girardot Chou-fleur Anjelica Huston The Narrator (voice) Larry Pine Chief Magistrate Alex Lawther Morisot Benjamin Lavernhe Toothpowder Spokesman Félix Moati Head Caterer Wallace Wolodarsky Cheery Writer Fisher Stevens Story Editor Griffin Dunne Legal Advisor Denis Ménochet Prison Guard Stéphane Bak Communications Specialist Anjelica Bette Fellini Proof Reader Lily Taïeb Smart Girl Toheeb Jimoh Cadet 1 Tom Hudson Mitch-Mitch (On Stage) Bruno Delbonnel Tip-Top Grégoire Leprince-Ringuet TV Reporter Damien Bonnard Police Detective