- Kim Jisoo
- Â Eun Young-ro 16 episodes, 2021-2022
- Jung Hae-in
- Â Im Soo Ho / ... 16 episodes, 2021-2022
- Harrison Xu
- Â Choi Byung-tae 16 episodes, 2021-2022
- Kim Hye-yoon
- Â Kye Boon Ok 16 episodes, 2021-2022
- Yuuki Luna
- Â Gyungja 16 episodes, 2021-2022
- Kim Min-kyu
- Â Ju Gyeok-Chan / ... 16 episodes, 2021-2022
- Yoo In-na
- Â Kang Cheong Ya 16 episodes, 2021-2022
- Kim Jung-nan
- Â Hong Ae-ra 16 episodes, 2021-2022
- Yun Se-ah
- Â Pi Seung Hee 16 episodes, 2021-2022
- Park Sung-woong
- Â Nam Taeil 16 episodes, 2021-2022
- Ren Hanami
- Â Hong Ae-ra 16 episodes, 2021-2022
- Jeong Eu-gene
- Â Jang Han Na / ... 16 episodes, 2021-2022
- Katie Anne Moy
- Â Hye-ryeong 16 episodes, 2021-2022
- Tim Dang
- Â Eun Chang Soo 16 episodes, 2021-2022
- Jonny Siew
- Â Lee Eung-Cheol 16 episodes, 2021-2022
- Lee Hwa-ryong
- Â Ahn Kyung-hee 16 episodes, 2021-2022
- Nam Mi-Jung
- Â Oh Deok-sim 16 episodes, 2021-2022
- Yim So-yun
- Â Female college student 16 episodes, 2021-2022
- Moon Yoo-Kang
- Â Seung-jun (ANSP member) 16 episodes, 2021-2022
- Huh Joon-ho
- Â Eun Chang Soo 15 episodes, 2021-2022
- Jang Seung-jo
- Â Lee Kang-moo 15 episodes, 2021-2022
- Ahn Dong-goo
- Â Choi Byung-tae 15 episodes, 2021-2022
- Jung Ae-ri
- Â Choi Soo Ryun 15 episodes, 2021-2022
- Jung Hye-young
- Â Cho Sung-shim 15 episodes, 2021-2022
- Tom Choi
- Â Nam Taeil 11 episodes, 2022
- Jolene Kim
- Â Pi Seung-hee 11 episodes, 2022
- Andrew Grace
- Â Gyeokchan 11 episodes, 2022
- Mark Lewis
- Â Ahn Gyeong-Hui 11 episodes, 2022
- Cindy Chu
- Â Kang Cheong Ya, Dr. Kang Chung-Ya 11 episodes, 2022
- Sanyee Yuan
- Â Yoon Seol-hee 11 episodes, 2022
- Bobby Foley
- Â Seung Jun 11 episodes, 2022
- Samantha Daniel
- Â Jang Hanna 11 episodes, 2022
- Halley Kim
- Â Dorm Student 8 episodes, 2021-2022
- Kim Mi-Soo
- Â Yeo Jungmin 8 episodes, 2021-2022
- Jung Shin-Hye
- Â Go Hye-ryeong 8 episodes, 2021-2022
- Choi Hee-jin
- Â Yoon Seol-hee 7 episodes, 2021-2022
- Keisuke Hoashi
- Â Han Yi Sub 6 episodes, 2021-2022
- Elaine Wang
- Â Yeo Jung-min 5 episodes, 2021
- Ariane Desgagnes-Leclerc
- Â Linda Young / ... 4 episodes, 2022
- Lee Jung-Hyun
- Â Park Geum Chul 3 episodes, 2021-2022
- Kimberley Wong
- Â Miss Charmant Kim / ... 3 episodes, 2022
- Nicole Ohara
- Â Various 3 episodes, 2022
- Heo Nam-jun
- Â Oh Gwang-tae 2 episodes, 2021-2022
- Stephanie Wong
- Â Su Hee 2 episodes, 2021-2022
- Chae Won-Bin
- Â Im Su Hee (Soo Ho's sister) 2 episodes, 2021-2022
- Claire Dodin
- Â Linda 2 episodes, 2022
- Sean Burgos
- Â Yonggap 1 episode, 2021
- Aoi Takeya
- Â Young-woo 1 episode, 2021
- Song Hoon
- Â Driver Kim 1 episode, 2021
- Seoyeon Jang
- Â Seoyeon Jang 1 episode, 2021
- Melina Demir
- Â German Train Passenger 1 episode, 2021
- Lee So-e
- Â Hostage 1 episode, 2022
- Lee Joo-ahn
- Â Jun-Pyo 1 episode, 2022
- Kim Jong-soo
- Â Kim Man-dong unknown episodes
