In September 2024, it was reported that Kelly Reichardt would write and direct the art heist film The Mastermind. Neil Kopp, Anish Savjani, and Vincent Savino would produce for Filmscience, with Mubi financing the film and distributing in North America. Josh O'Connor would star in the film.[1] In October 2024, Alana Haim and John Magaro joined the cast.[2][3] On November 13, 2024, it was reported that production had begun, with Hope Davis, Bill Camp, Gaby Hoffmann, Amanda Plummer, Eli Gelb, Cole Doman, Javion Allen, Matthew Maher, and Rhenzy Feliz having joined the cast.[4]