The world's biggest K-pop festival marked its 21st year in 2015, with groups such as EXO, 4Minute and SHINee electrifying the Seoul World Cup Stadium.
| Actor | Role |
|---|---|
 LeeteukHost | Host |
 TAEMINSelf | Self |
 MinhoSelf | Self |
 KeySelf | Self |
 OnewSelf | Self |
 Kim Jong-hyunSelf | Self |
 ChenSelf | Self |
 BaekhyunSelf | Self |
 Doh Kyung-sooSelf | Self |
 SehunSelf | Self |
 ChanyeolSelf | Self |
 KaiSelf | Self |
 SuhoSelf | Self |
 XiuminSelf | Self |
 Zhang YixingSelf | Self |
 JinyoungSelf | Self |
 Jackson WangSelf | Self |
 BamBamSelf | Self |
 Choi Young-jaeSelf | Self |
 Mark TuanSelf | Self |
 Im Jae-beomSelf | Self |
 Kim Yu-gyeomSelf | Self |
 Jung KookSelf | Self |
 RMSelf | Self |
 VSelf | Self |
 SUGASelf | Self |
 JiminSelf | Self |
 JinSelf | Self |
 j-hopeSelf | Self |
 IRENESelf | Self |