SBS revealed on August 15 that they have selected Cross Gene's Shin Won as one of the main roles in the series. Shin Won will be taking on a role named Tae Oh, a genius hacker who is overflowing with charisma. 

SEE ALSO: ILLIT praised for making a significant improvement in recent encore live performance

The production company in charge of the drama stated, "We're certain that rookie actor Shin Won's who possesses both good looks and guts will add a positive energy to 'The Legend of the Blue Sea.'"

'The Legend of the Blue Sea' is said to be a fantasy romance drama that will start airing in November.