Actress Choi Ji Woo will be appearing on an upcoming episode of SBS's 'Running Man'!

According to a staff member on December 17th, the actress participated in the filming for the year-end special in Busan and Gyeongnam. Photos of Choi Ji Woo have also surfaced on various Social Networking Sites with witnesses posting their accounts of the actress.

Despite the cold weather, it's said that the actress enjoyed filming and impressed everyone on set with her variety skills, leaving many anticipating to see her interaction with the 'Running Man' cast members.

This 'Running Man' episode will air on December 30th!

Source & Image: Ahju Economy via Nate