If you’ve seen Kelly Reichardt’s versions of a frontier Western (“Meek’s Cutoff,” 2011) and of an ecoterrorist thriller (“Night Moves,” 2014), you may know what to expect from her take on an art-heist movie: an exquisite groundedness, in which no detail or texture can be too precise, and genre mechanics play out to the unhurried beat of real life. The planner of the heist is a small-town Massachusetts family man (a marvellously scruffy Josh O’Connor) who, amid the upheaval of the early nineteen-seventies, becomes desperate to counter his own mediocrity. The crime he commits is a foolish, bumbling, desultory affair, but Reichardt observes every moment of it—and the ensuing fallout—with her usual dolorous, low-key mastery. She also elicits gemlike supporting performances from Alana Haim, Bill Camp, Hope Davis, John Magaro, and Gaby Hoffmann.-The New Yorker

“The Mastermind” may be a heist movie about a novice thief with a dumb plan. But Reichardt pulls it off like clockwork: This film is stupendously smart.”-RogerEbert.com