In a recent interview, Sung Dong Il said, "Jun Ji Hyun has great diligence. She always arrives early to the set to prepare, and I get amazed when I see her acting as a mermaid."

SEE ALSO: Lee Min Ho: reigning supreme as the global icon of Korean entertainment

He also shared words about Lee Min Ho, saying, "He has a great personality and I can feel his passion for acting each time we film." He added, "I can't help but to compliment them when these two show off a great acting chemistry." 

Are you enjoying Lee Min Ho, Jun Ji Hyun, and Sung Dong Il on 'The Legend of the Blue Sea'?