Josh O'Connor plays a hapless art thief whose big job goes wrong in the 1970s-set thriller, which premieres in the Cannes competition on Friday.

Kelly Reichardt's latest film "The Mastermind," starring Josh O'Connor as an art thief on the run, earned a 5.5-minute ovation at its Cannes premiere on Friday night. The applause brought Reichardt to tears,

Few minds could be less masterly, you might think, than the stoner sponge between the ears of J.B. (Josh O’Connor), who, in Kelly Reichardt’s Cannes-closer The Mastermind, conceives a plan to steal four paintings from the art gallery that is the chief weekend haunt for his family.