Welcome to the Show (2011) — Cast
Cast
| Kim Kwang-kyu | Theater Manager |
| Kim Jang-hoon | Maestro |
| Im Seul-ong | Seulong |
| Sulli | Sulli |
| Nichkhun Horvejkul | Nichkhun |
| Lee Hae-In | Sector Director |
| Seo Hyun-chul | Sector Director |
| Krystal Jung | Self |
| Park Kwang-hyun | PD |
| U-KNOW Yunho | Cameo |
| IU | Self |
| MAX Changmin | Cameo |
Crew
| Park Seung-Min | Director |
| Choi Moon-Kyung | Writer |
| Woo Chul-Won | Writer |