Actor Yoo Ah In confesses he sometimes just stares at Kim Tae Hee.

The actor and his co-star Kim Tae Hee appeared in the SBS show “Midnight TV Entertainment” on April 3rd, to promote their new drama “Jang Ok Jung.”

On the show, the actor confessed that he sometimes feels nervous because of Kim Tae Hee's beauty. He said, “Sometimes when we are doing a scene, I just stare at her in a daze, because she is Kim Tae Hee.”

The actress feeling a little shy responded, “What are you talking about? I am the one who always forgets my lines because his gaze is fascinating and full of charisma.”

The actors will act in the SBS drama “Jung Ok Jung” which will premiere on April 8th. Kim Tae Hee will play the role of Jang Ok Jung, while Yoo Ah In will play the role on Jang Ok Jung's love interest King Sukjoon.

The drama will talk about Jang Ok Jung as the first female designer in the Joseon Dynasty, while she falls in love with the King. The drama also stars Hong Soo Hyun, Lee Jae Hee, Lee Sang Yeob, and Kara′s Han Seung Yeon.