In Lee Kwang-soo's new drama 'The Sound Of Your Heart' a familure face made a cameo appearance on the show's December 9th premier. Viewers noticed the 'Descendants of the Sun' heartthrob Song Joong-ki interacting with Kwang-soo's character. It was announced that Joong-ki would be making appearances in the show's first two episodes before the premier, which made fans very excited. This was a sweet interaction for fans of the two actors, for Kwang-soo made a cameo appearance in the early episodes of 'Descendants of the Sun'. Check out the clip below to see Joong-ki's cameo!
Be sure to watch 'The Sound of Your Heart' on tvN! What do you think of this awesome cameo by Song Joong-ki? Let us know in the comments below!