| Name | Type | Role | |
|---|---|---|---|
| Ikezaki Rihito | Musical Guest | INI - Ikezaki Rihito | |
| aespa | Musical Guest | "Next Level" + "Savage" | |
| Kim Min-young | Musical Guest | Brave Girls - Minyoung | |
| Kim Jae-hwan | Musical Guest | Wanna One - Jaehwan | |
| Lee Tae-yong | Musical Guest | NCT - Taeyong | |
| Fujimaki Kyosuke | Musical Guest | INI - Fujimaki Kyosuke | |
| Kai Kamal Huening | Musical Guest | TXT - Hueningkai | |
| Kono Junki | Musical Guest | JO1 - Kono Junki | |
| Bang Chan | Musical Guest | Stray Kids - Bang Chan | |
| Kang Tae-hyun | Musical Guest | TXT - Taehyun | |
| Kim Hong-joong | Musical Guest | Ateez - Hongjoong | |
| Huang Renjun | Musical Guest | NCT - Renjun | |
| Osaki Shotaro | Musical Guest | NCT - Mark | |
| Shin Yu-na | Musical Guest | ITZY - Yuna | |
| Haha | Musical Guest | Haha | |
| Sano Yudai | Musical Guest | INI - Sano Yudai | |
| Yang Jung-won | Musical Guest | ENHYPEN - Jungwon | |
| Ohira Shosei | Musical Guest | JO1 - Ohira Shosei | |
| Ong Seong-wu | Musical Guest | Wanna One - Seongwu | |
| Issei Mamehara | Musical Guest | JO1 - Mamehara Issei | |
| Hwang Min-hyun | Musical Guest | Wanna One - Minhyun | |
| Kim Dong-young | Musical Guest | NCT - Doyoung | |
| Zhong Chenle | Musical Guest | NCT - Chenle | |
| Seungmin | Musical Guest | Stray Kids - Seungmin | |
| TXT | Musical Guest | "Frost" + "Loser=Lover" | |
| Choi San | Musical Guest | Ateez - San | |
| Heo Sung-tae | Musical Guest | Heo Sung-tae | |
| Uchinaga Aeri | Musical Guest | aespa - Giselle | |
| Hong Eun-ji | Musical Guest | Brave Girls - Eunji | |
| Ha Sung-woon | Musical Guest | Wanna One - Sungwoon | |
| Park Ji-sung | Musical Guest | NCT - Jisung | |
| Nishi Hiroto | Musical Guest | INI - Nishi Hiroto | |
| ENHYPEN | Musical Guest | "Drunk-Dazed" + "Tamed-Dashed" (MAMA ver.) | |
| Sukai Kinjo | Musical Guest | JO1 - Kinjo Sukai | |
| Lee Know | Musical Guest | Stray Kids - Lee Know | |
| Lee Hyo-ri | Musical Guest | Lee Hyori | |
| Kim Jung-woo | Musical Guest | NCT - Jungwoo | |
| Hwang Ye-ji | Musical Guest | ITZY - Yeji | |
| ATEEZ | Musical Guest | "Turbulence" + "The Real" (Heung ver.) | |
| Johnny Suh | Musical Guest | NCT - Johnny | |
| Kang Daniel | Musical Guest | Wanna One - Daniel | |
| Goto Takeru | Musical Guest | INI - Goto Takeru | |
| Jay Park | Musical Guest | ENHYPEN - Jay | |
| INI | Musical Guest | "Rocketeer" | |
| Tsurubo Shion | Musical Guest | JO1 - Tsurubo Shion | |
| Park Ji-hoon | Musical Guest | Wanna One - Jihoon | |
| Qian Kun | Musical Guest | NCT - Kun | |
| Na Jae-min | Musical Guest | NCT - Jaemin | |
| Han | Musical Guest | Stray Kids - Han | |
| Choi Yeon-jun | Musical Guest | TXT - Yeonjun | |
| Kang Yeo-sang | Musical Guest | Ateez - Yeosang | |
| Nam Yu-jeong | Musical Guest | Brave Girls - Yujeong | |
| ITZY | Musical Guest | "Loco" (MAMA ver.) + "In the Morning" (MAMA ver.) | |
| Yu Ji-min | Musical Guest | aespa - Karina | |
| Kimata Syoya | Musical Guest | JO1 - Kimata Syoya | |
| Yoon Ji-sung | Musical Guest | Wanna One - Jisung | |
| Tajima Shogo | Musical Guest | INI - Tajima Shogo | |
| Jake Sim | Musical Guest | ENHYPEN - Jake | |
| Dong Sicheng | Musical Guest | NCT - Winwin | |
| Ed Sheeran | Musical Guest | "Bad Habits" + "Shivers" | |
| Kim Yoon-sung | Musical Guest | Gaeko | |
| Stray Kids | Musical Guest | "Cheese" + "Thunderous" | |
| Shin Ryu-jin | Musical Guest | ITZY - Ryujin | |
| Choi Jong-ho | Musical Guest | Ateez - Jongho | |
| Huang Guanheng | Musical Guest | NCT - Hendery | |
| Brave Girls | Musical Guest | "Rollin'" (Ballad ver.) + "Chi Mat Ba Ram" + "Rollin'" | |
| Kimura Masaya | Musical Guest | INI - Kimura Masaya | |
| Park Sung-hoon | Musical Guest | ENHYPEN - Sunghoon | |
| Matsuda Jin | Musical Guest | INI - Matsuda Jin | |
| Shiroiwa Ruki | Musical Guest | JO1 - Shiroiwa Ruki | |
| Park Woo-jin | Musical Guest | Wanna One - Woojin | |
| Nakamoto Yuta | Musical Guest | NCT - Yuta | |
| Choi Beom-gyu | Musical Guest | TXT - Beomgyu | |
| Jeong Yun-ho | Musical Guest | Ateez - Yunho | |
| Haechan | Musical Guest | NCT - Haechan | |
| Felix | Musical Guest | Stray Kids - Felix | |
| Jung Sung-chan | Musical Guest | NCT - Sungchan | |
| Choi Ji-su | Musical Guest | ITZY - Lia | |
| Níng Yìzhuō | Musical Guest | aespa - Ningning | |
| Takatsuka Hiromu | Musical Guest | INI - Takatsuka Hiromu | |
| Kim Seon-woo | Musical Guest | ENHYPEN - Sunoo | |
| Kawanishi Takumi | Musical Guest | JO1 - Kawanishi Takumi | |
| Bae Jin-young | Musical Guest | Wanna One - Jinyoung | |
| Jo Gwang-il | Musical Guest | Jo Gwang-il | |
| Jaehyun | Musical Guest | NCT - Jaehyun | |
| JO1 | Musical Guest | "Bokura no Kisetsu" | |
| I.N | Musical Guest | Stray Kids - I.N | |
| Kim Do-hyung | Musical Guest | Jannabi - Kim Do-hyung | |
| Jung Woo-young | Musical Guest | Ateez - Wooyoung | |
| Xiao Dejun | Musical Guest | NCT - Xiao Jun | |
| Lee Yu-na | Musical Guest | Brave Girls - Yuna | |
| Ozaki Takumi | Musical Guest | INI - Ozaki Takumi | |
| Lee Hee-seung | Musical Guest | ENHYPEN - Heeseung | |
| Moon Tae-il | Musical Guest | NCT - Taeil | |
| Sato Keigo | Musical Guest | JO1 - Sato Keigo | |
| Lee Dae-hwi | Musical Guest | Wanna One - Daehwi | |
| Changbin | Musical Guest | Stray Kids - Changbin | |
| Choi Soo-bin | Musical Guest | TXT - Soobin | |
| Park Seong-hwa | Musical Guest | Ateez - Seonghwa | |
| Lee Je-no | Musical Guest | NCT - Jeno | |
| Osaki Shotaro | Musical Guest | NCT - Shotaro | |
| Lee Chae-ryeong | Musical Guest | ITZY - Chaeryeong | |
| Kim Min-jeong | Musical Guest | aespa - Winter | |
| Xu Fengfan | Musical Guest | INI - Xu Fengfan | |
| Nishimura Riki | Musical Guest | ENHYPEN - NI-KI | |
| Kawashiri Ren | Musical Guest | JO1 - Kawashiri Ren | |
| Lai Guanlin | Musical Guest | Wanna One - Guanlin | |
| Wanna One | Musical Guest | "Spring Breeze" (MAMA ver.) + "Energetic" + "Burn It Up" + "Beautiful" (Part III) | |
| Chittaphon Leechaiyapornkul | Musical Guest | NCT - Ten | |
| Yonashiro Sho | Musical Guest | JO1 - Yonashiro Sho | |
| Hyunjin | Musical Guest | Stray Kids - Hyunjin | |
| Choi Jung-hoon | Musical Guest | Jannabi - Choi Jung-hoon | |
| Song Min-gi | Musical Guest | Ateez - Mingi | |
| Yangyang | Musical Guest | NCT - Yang Yang | |
| Shin Gabee | Guest Star | Presenter for KTO Breakout Artist | |
| Heo Sung-tae | Guest Star | Presenter for Best OST | |
| Jo Jung-suk | Guest Star | Presenter for Album of the Year | |
| Ahn Hyun-mo | Guest Star | Red Carpet Host | |
| Jung Ji-hoon | Guest Star | Presenter for Worldwide Fans' Choice Top 10 | |
| Nam Yoon-su | Guest Star | Presenter for Best OST | |
| Song Joong-ki | Guest Star | Presenter for Breaking the Norm & Presenter for Song of the Year | |
| Lee Sun-bin | Guest Star | Presenter for Best New Artists (Male & Female) | |
| Yeo Jin-goo | Guest Star | Presenter for Best Dance Female Group | |
| Noh Hong-chul | Guest Star | Presenter for Worldwide Fans' Choice Top 10 | |
| Kim Young-dae | Guest Star | Presenter for Best HipHop & Urban Music | |
| Uhm Jung-hwa | Guest Star | Presenter for Artist of the Year | |
| Kim Seo-hyung | Guest Star | Presenter for Best Band Performance | |
| Lee Do-hyun | Guest Star | Presenter for Best New Artists (Male & Female) | |
| Kwon Yul | Guest Star | Presenter for TikTok Favorite Moment | |
| Jo Bo-ah | Guest Star | Presenter for Worldwide Fans' Choice Top 10 | |
| Kim Hye-yoon | Guest Star | Presenter for Best HipHop & Urban Music | |
| Han Ye-ri | Guest Star | Presenter for The value of being different segment | |
| Tiffany Young | Guest Star | Presenter for Best Female Group | |
| Haha | Guest Star | Presenter for KTO Breakout Artist | |
| Ahn Bo-hyun | Guest Star | Presenter for Worldwide Fans' Choice Top 10 | |
| Lee Hyun-yi | Guest Star | Red Carpet Host | |
| Lee Jung-jae | Guest Star | Presenter for Worldwide Icon of the Year | |
| Choi Soo-young | Guest Star | Presenter for Best Female Group |