"Dr. Stranger" Lee Jong Suk (role fo Park Hoon) said that when he think of the most memorable scene, he thinks of Kim Sang Joong, the older actor that played the role of his father.

In the drama, Lee Jong Suk plays the role of a genius doctor. He has a tragic separation with his first love, Song Jae Hee. Nonetheless, he grows in character as he thinks about the patient first. This humanistic doctor is drawing out the sincerity of Park Hoon, as he is drawing great responses from the audience.

Lee Jong Suk said that Park Hoon is a character that is so different from the characters before. Thus, he is paying attention to the script and really staying focused. He said, "I hope that you can continue to stay attentive to the six more episodes and see how Park Hoon grows as a person."

The management company said that Lee Jong Suk is pretty much staying up all night but Park Hoon is working his best and staying on top of the tight schedule. There is a lot of parts of his character that is difficult to understand but nonetheless, Kim Sang Joong helped to get the foundation of his character.

Meanwhile, "Dr. Stranger" is about a genius doctor Lee Jong Suk that was born in South Korea but raised in North Korea and his conflict against the most elite doctor of Korea, Park Hae Jin. The two of them face the greatest conspiracy in a medical drama and fusion drama. It is broadcast every Monday and Tuesday at 10PM.