| Name | Type | Role | |
|---|---|---|---|
| Kim So-jung | Musical Guest | GFriend - Sowon | |
| Yoon Bo-mi | Musical Guest | Apink - Bomi | |
| Chae Hyung-won | Musical Guest | Monsta X - Hyungwon | |
| Son Seung-wan | Musical Guest | Red Velvet - Wendy | |
| Oh Hyuk | Musical Guest | Hyukoh - Oh Hyuk | |
| Kim Ji-won | Musical Guest | iKon - Bobby | |
| Koo Jun-hoe | Musical Guest | iKon - Ju-ne | |
| Ahn Hee-yeon | Musical Guest | EXID - Hani | |
| Kwon Ji-yong | Musical Guest | Big Bang - G-Dragon | |
| Im Chang-kyun | Musical Guest | Monsta X - I.M | |
| Lee Joo-heon | Musical Guest | Monsta X - Joohoney | |
| Son Na-eun | Musical Guest | Apink - Naeun | |
| Hong Jin-young | Musical Guest | Hong Jin-young | |
| Park Soo-young | Musical Guest | Red Velvet - Joy | |
| Bae Joo-hyun | Musical Guest | Red Velvet - Irene | |
| Shin Ho-seok | Musical Guest | Monsta X - Wonho | |
| Oh Ha-young | Musical Guest | Apink - Hayoung | |
| Kang Dae-sung | Musical Guest | Big Bang - Daesung | |
| Kim Han-bin | Musical Guest | iKon - B.I | |
| BTS | Musical Guest | ||
| Jimin | Musical Guest | BTS - Jimin | |
| SUGA | Musical Guest | BTS - Suga | |
| Jung Eun-bi | Musical Guest | GFriend - Eunha | |
| Kim Jin-hwan | Musical Guest | iKon - Jay | |
| T.O.P | Musical Guest | Big Bang - T.O.P | |
| Ahn Hyo-jin | Musical Guest | EXID - LE | |
| Lee Min-hyuk | Musical Guest | Monsta X - Minhyuk | |
| Choi Yu-na | Musical Guest | GFriend - Yuju | |
| DK | Musical Guest | iKon - DK | |
| Lee Seung-hyun | Musical Guest | Big Bang - Seungri | |
| Jung Chan-woo | Musical Guest | iKon - Chan | |
| Jung Kook | Musical Guest | BTS - Jungkook | |
| j-hope | Musical Guest | BTS - J-Hope | |
| Kim Nam-joo | Musical Guest | Apink - Namjoo | |
| Park Cho-rong | Musical Guest | Apink - Chorong | |
| Kang Seul-gi | Musical Guest | Red Velvet - Seulgi | |
| Heo Sol-ji | Musical Guest | EXID - Solji | |
| RM | Musical Guest | BTS - RM | |
| Son Hyun-woo | Musical Guest | Monsta X - Shownu | |
| Song Yun-hyeong | Musical Guest | iKon - Song | |
| Seo Hye-lin | Musical Guest | EXID - Hyelin | |
| Jung Ye-rin | Musical Guest | GFriend - Yerin | |
| V | Musical Guest | BTS - V | |
| Kim Ye-rim | Musical Guest | Red Velvet - Yeri | |
| Hwang Eun-bi | Musical Guest | GFriend - SinB | |
| Jeong Eun-ji | Musical Guest | Apink - Eunji | |
| Taeyang | Musical Guest | Big Bang - Taeyang | |
| Park Jeong-hwa | Musical Guest | EXID - Jeonghwa | |
| Kim Ye-won | Musical Guest | GFriend - Umji | |
| Jin | Musical Guest | BTS - Jin | |
| Yoo Ki-hyun | Musical Guest | Monsta X - Kihyun | |
| Seo Kang-joon | Host | ||
| Jang Do-yeon | Guest Star | ||
| Yoo Byung-jae | Guest Star | ||
| Lee Jae-yoon | Guest Star | ||
| Kim So-hyun | Guest Star | ||
| Kang Seung-yoon | Guest Star | ||
| Shin Soo-ji | Guest Star | ||
| Kim Min-jae | Guest Star | ||
| Seo Kang-joon | Guest Star | ||
| Lee Yu-bi | Guest Star | ||
| Nam Tae-hyun | Guest Star | ||
| Seo Hyo-rim | Guest Star | ||
| Stephanie Lee | Guest Star | ||
| Kim Jin-woo | Guest Star | ||
| Lee Kyu-han | Guest Star | ||
| Son Eun-seo | Guest Star | ||
| EXID | Guest Star | ||
| Kwak Si-yang | Guest Star | ||
| Lee Won-il | Guest Star | ||
| Lee Seung-hoon | Guest Star | ||
| Moon Jeong-hee | Guest Star | ||
| Shin So-yul | Guest Star | ||
| Lee Chul-woo | Guest Star | ||
| Kim Shin-young | Guest Star | ||
| Oh Se-deuk | Guest Star | ||
| Song Min-ho | Guest Star | ||
| Lee Yi-kyung | Guest Star |