The Mastermind is a film by Kelly Reichardt, who wrote and directed the feature. Reichardt, known for films like First Cow and Certain Women, explores new ground by mixing her realistic style with the suspense of a 1970s art heist. The cast features Josh O’Connor, Alana Haim, Hope Davis, John Magaro, Gaby Hoffmann, and Bill Camp.Set in the 1970s, the film features strong performances and marks one of Reichardt’s most visually distinctive projects. After its world premiere at Cannes, The Mastermind went on to screen at the New York Film Festival and in Sydney, where it was nominated for the Sydney Film Prize.The film has been available on Mubi since October 17, 2025.When and where will The Mastermind release? View this post on Instagram Instagram PostWhen The Mastermind first premiered on the Cannes screens on May 23, 2025, it earned a coveted Palme d’Or nomination. After that debut, Mubi acquired the rights and set a U.S. release for October 17, 2025. The movie has a total runtime of approximately 110 minutes.The project was first announced in September 2024, with production handled by Filmscience and financed by Mubi. By November that year, principal photography was already in swing as producers Neil Kopp, Anish Savjani, and Vincent Savino reunited with Reichardt. Kelly Reichardt has also served as an editor of the movie. Rob Mazurek provided the music for the movie.Josh O’Connor was the first to sign on, then Alana Haim and John Magaro, and the rest of the ensemble filled out the roster by 2024.Following a successful festival run, the movie premiered on Mubi in the United States on October 17, 2025.Read More: The Boston Strangler: Unheard Confession (documentary) release date, where to watch, and everything you need to knowWhat is The Mastermind about and who stars in it?The Mastermind (Image via Mubi)James Blaine Mooney, a 1970s family man whose quiet suburban routine conceals a startling second identity as an art thief. Beneath the facade, he weaves a web of deceit, methodically plotting and executing daring, high‑risk heists that target priceless masterpieces.The film’s story is directly inspired by the 1972 robbery of the Worcester Art Museum in Massachusetts. Thieves vanished with a trove of works, including pieces by Picasso and Rembrandt.The movie features Josh O'Connor as James Mooney. O'Connor is known for his work in The Crown and Challengers. Alana Haim plays Terri Mooney, his wife, who starts to sense that there is something not quite right about her husband's life, and that is when things start to go wrong.Hope Davis plays Sarah Mooney, Bill Camp plays Judge William Mooney, John Magaro plays Fred, and Gaby Hoffmann plays Maude in the supporting cast.Read More: Where was Regretting You filmed? Complete guide to all filming locations and other production detailsThe movie opened at Cannes on May 23, 2025, and opened theatrically in the U.S. on October 17, 2025.