Production Credits
Sung Yoon-yong has 13 production credits.
Sound
Credited for Sound Supervisor in 13 shows -
South Bound,
Montage,
A Hard Day,
Set Me Free,
The Chronicles of Evil,
Insane,
The Tooth and the Nail,
The Villainess,
Ordinary People,
Unfinished,
Diva,
Midnight and
Miracle: Letters to the President.