Josh Hartnett rocked his favorite plaid shirt [1] and a beanie while leaving rehearsals at the Apollo Theater in London last night. Josh's West End debut for the stage production of Rain Main [2] begins today, but the official opening for press is on Sept. 9. His movie August [3] premiered last month without much momentum, so maybe a sexy onstage presence will be a nice change for Josh.

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Source [5] and Splash News Online [6]