Sung Yong-Il (성용일) is a South Korean director, He was born on 1st January 1970 in South Korea. As a director, Sung Yong-Il is known for his drama series Dr. Frost (2014), Drama Stage Season 1: Fighter Choi Kang Soon (2018), Class of Lies (2019), and the South Korean director Sung Yong-Il will direct the upcoming Netflix series Duty After School Kdrama (2023).
Sung Yong-Il father name is N/A and her mother name is N/A. Her marital status is unmarried. There is no data accessible with respect to family background and siblings.