| Name | Type | Role | |
|---|---|---|---|
| Lee Chae-yeon | Musical Guest | Iz*One - Chaeyeon | |
| Yoo Si-ah | Musical Guest | Oh My Girl - YooA | |
| Ju Hak-nyeon | Musical Guest | The Boyz - Ju Haknyeon | |
| Choi Beom-gyu | Musical Guest | TXT - Beomgyu | |
| Code Kunst | Musical Guest | Code Kunst | |
| RM | Musical Guest | BTS - RM | |
| Honda Hitomi | Musical Guest | Iz*One - Hitomi | |
| Kim Ji-ho | Musical Guest | Oh My Girl - Jiho | |
| Lee Ju-yun | Musical Guest | The Boyz - Juyeon | |
| Lee Min-hyuk | Musical Guest | Monsta X - Minhyuk | |
| Jimin | Musical Guest | BTS - Jimin | |
| Nako Yabuki | Musical Guest | Iz*One - Nako | |
| Kwon Eun-bi | Musical Guest | Iz*One - Eunbi | |
| Kim Sun-woo | Musical Guest | The Boyz - Sunwoo | |
| Kim Mi-hyun | Musical Guest | Oh My Girl - Mimi | |
| Kang Tae-hyun | Musical Guest | TXT - Taehyun | |
| Lee Sang-yeon | Musical Guest | The Boyz - Sangyeon | |
| Choi Ye-na | Musical Guest | Iz*One - Yena | |
| Jin | Musical Guest | BTS - Jin | |
| Bae Yu-bin | Musical Guest | Oh My Girl - Binnie | |
| Lee Joo-heon | Musical Guest | Monsta X - Joohoney | |
| Moon Hyung-seo | Musical Guest | The Boyz - Kevin | |
| Jung Kook | Musical Guest | BTS - Jungkook | |
| Jang Won-young | Musical Guest | Iz*One - Wonyoung | |
| Miyawaki Sakura | Musical Guest | Iz*One - Sakura | |
| Eric | Musical Guest | The Boyz - Eric | |
| Choi Ye-won | Musical Guest | Oh My Girl - Arin | |
| Kai Kamal Huening | Musical Guest | TXT - Hueningkai | |
| Bae Joon-young | Musical Guest | The Boyz - Jacob | |
| Kim Chaewon | Musical Guest | Iz*One - Chaewon | |
| V | Musical Guest | BTS - V | |
| Lim Young-woong | Musical Guest | Lim Young-woong | |
| Yoo Ki-hyun | Musical Guest | Monsta X - Kihyun | |
| Choi Chan-hee | Musical Guest | The Boyz - New | |
| Choi Jung-hoon | Musical Guest | Choi Jung-hoon | |
| Choi Soo-bin | Musical Guest | TXT - Soobin | |
| Kang Hye-won | Musical Guest | Iz*One - Hyewon | |
| Hyun Seung-hee | Musical Guest | Oh My Girl - Seunghee | |
| BTS | Musical Guest | ||
| Im Chang-kyun | Musical Guest | Monsta X - I.M | |
| Younghoon | Musical Guest | The Boyz - Younghoon | |
| SUGA | Musical Guest | BTS - Suga | |
| An Yu-jin | Musical Guest | Iz*One - Yujin | |
| Park Young-tak | Musical Guest | Young Tak | |
| Chae Hyung-won | Musical Guest | Monsta X - Hyungwon | |
| Ji Chang-min | Musical Guest | The Boyz - Q | |
| Jung Ki-suck | Musical Guest | Simon Dominic | |
| Choi Yeon-jun | Musical Guest | TXT - Yeonjun | |
| Jo Yu-ri | Musical Guest | Iz*One - Yuri | |
| Choi Hyo-jung | Musical Guest | Oh My Girl - Hyojung | |
| Lee Jae-hyun | Musical Guest | The Boyz - Hyunjae | |
| Son Hyun-woo | Musical Guest | Monsta X - Shownu | |
| j-hope | Musical Guest | BTS - J-Hope | |
| Kim Min-ju | Musical Guest | Iz*One - Minju |