According to the producers, Lee Kwang Soo will be making a short yet impactful appearance as the brother of Aro played by Go Ara. It's also reported that he dedicated much time for his role by coming to the script readings and participating in multiple�filmings. �And unlike other cameos, Lee Kwang Soo's role does more than just adding fun to the production, as he is a key character in the start of 'Hwarang: The Beginning'.�

SEE ALSO: Lee Kwang Soo returns to SBS entertainment program for the first time in two years

The first episode of the new drama with its star-studded cast including Go Ara, Hyungsik, Park Seo Joon, V, Minho, Do Ji Han, and more will be airing December 19.�