sentences:  In January 2011, ahead of Ju's discharge in November, he signed with entertainment agency KeyEast, owned by actor Bae Yong-joon.In August 2012, Ju made his comeback in the period comedy film "I Am the King".Inspired by the popular novel "The Prince and the Pauper", Ju played the dual role of Grand Prince Choong-nyung and the slave Deok-chil, in a fictional period before the prince becomes King Sejong the Great.