Lee Yoo Young will be joining Kang Ha Neul in the upcoming suspense drama 'Insider'.

This past February, Kang Ha Neul was officially cast in the lead role of Kim Yo Han, a judicial trainee who ends up in prison after attempting to investigate a corrupt prosecutor and vows to get revenge.

On August 11, JTBC confirmed Lee Yoo Young will be playing the role of underground businesswoman Oh Soo Yeon, who influences through her connections in business and money. After coming across Kim Yo Han, she offers to help him.

'Insider' is set to premiere in the first half of 2022.