Actress Park Shin Hye showed off her colder side.

On the premiere episode of SBS's new Mon/Tues drama "The King of Dramas," Park Shin Hye made a surprise appearance as the female star of the drama that Anthony Kim (Kim Myung Min) is producing. 

On the episode, she was seen scolding a male actor who was sleeping during a shoot. 

Her management company 4 HIM Entertainment said, "Park Shin Hye was happy to make a special appearance for director Hong Sung Chang, with whom she has a good relationship from the drama 'You Are Beautiful.' She said it was fun because a lot of it was ad-libbing."

Park Shin Hye revealed a photo with her and director Hong Sung Chang on her Twitter page, promoting the premiere episode.

"The King of Dramas," which is about a production company executive Anthony Kim, a floundering and naive writer Lee Ko Eun and top Hallyu star Kang Hyun Min as they conflict with each other. It will air every Monday and Tuesday.