'You Who Came From The Stars' actor Ryoo Seung Ryong transformed into Huh Kyun, as a cameo for the drama.

On the nineteenth episode of the SBS Wednesday Thursday drama "You Who Came From The Stars" which aired on February 20, 2014, actor Ryoo Seung Ryong made his surprise appearance. On this day's episode, Ryoo Seung Ryong made his surprise appearance as Huh Kyun, who wrote the famous Korean classical story "Life of Hong Gil Dong," and asked Do Min Joon, played by actor Kim Soo Hyun, for a word of advice on writing the book. When Do Min Joon disappeared out of the blue, Ryoo Seung Ryong said, "Hul," and added, "Why are you doing this in front of me? It is scary," making the audiences laugh. Ryoo Seung Ryong t hen said, "It is indeed very surprising. Can I touch your cheek to see if this is real or dream?" and pinched Do Min Joon's cheek, only to scream and make the audiences laugh.