<page_title> Lee Sung-yeol </page_title> <section_title> Television series </section_title> <table> <cell> 2015 <col_header> Year </col_header> </cell> <cell> D-Day <col_header> Title </col_header> </cell> <cell> JTBC <col_header> Network </col_header> </cell> </table>
In 2015, Lee was cast in JTBC's D-Day.