More supporting roles followed; he played a lawyer in the crime drama The Slingshot (2009),[3][4] and a martial arts choreographer in the romantic dramedy Secret Garden (2010).[5] In 2012, Lee was cast as a Goryeo-era doctor in the period drama Faith, his third time to work with screenwriter Song Ji-na after The Legend and The Slingshot.[6] But he had to leave the series before its finale due to an eye injury.[7]