The World of Silence is Jung II-woo’s first movie. In it, he played the younger version of a character named Jung-ho. Directed by: Cho Ui-seok.
It was released December 14, 2006.
Here are some stills and the poster of this movie.
Cr. To Prime Entertainment and Photocom?.
Update July 22, 2017
I found this little treat from behind the scenes:
He looks so happy! I can only imagine how thrilled he was to be in his first film! (I read he auditioned 50 times before getting this role!)