Masterpiece/WGBH announced today it will be co-producing the new drama series Mr. Selfridge with ITV Studios. Deadline reported previously that Jeremy Piven (Entourage) will star in the title role. Mr. Selfridge tells the real-life story of the flamboyant and visionary American founder of Selfridge’s London’s lavish department store. The series was created by writer Andrew Davies (Pride And Prejudice, Bleak House) and executive-produced by Kate Lewis for ITV. The co-production package also includes new episodes of some of Masterpiece’s most popular mystery series: the Inspector Morse prequel Endeavour and Agatha Christie’s Hercule Poirot and Miss Marple, and Inspector Lewis. Masterpiece is presented on PBS by WGBH Boston. Rebecca Eaton is executive producer.