- Shin Ye-eun
- Â Ok Chan-mi 12 episodes, 2022
- Park Solomon
- Â Ji Soo Heon 12 episodes, 2022
- Seo Ji-hoon
- Â Seok Jae Beom 12 episodes, 2022
- Chae Sang-woo
- Â Gi O Sung 12 episodes, 2022
- Lee Soo-min
- Â Kook Ji Hyun 12 episodes, 2022
- Jung Soo-Bin
- Â Tae So-yeon 12 episodes, 2022
- Kim Joo-ryung
- Â Jin So Jung 12 episodes, 2022
- Kang Yul
- Â Park Won Seok 12 episodes, 2022
- Yeon Oh
- Â Im Seung Woo 12 episodes, 2022
- Wooyeon
- Â Hong A Jung 12 episodes, 2022
- Jin Ho-eun
- Â Sa Jung Gyeong 12 episodes, 2022
- Han Seung-Bin
- Â Nam Hak Soo 12 episodes, 2022
- Hwang Bo-Un
- Â Seo Da Yeon 12 episodes, 2022
- Jinwook Ok
- Â Ma Nak Joon 12 episodes, 2022
- Ren Hanami
- Â Jaebum's Mom / ... 12 episodes, 2022
- Harrison Xu
- Â Ma Nak-Jun 12 episodes, 2022
- Eugene Ko
- Â Park Won-Seok 12 episodes, 2022
- Andrew Lee
- Â Oh Nam-Soo 12 episodes, 2022
- Jolene Kim
- Â Jin So Jung 12 episodes, 2022
- Bobby Foley
- Â Gi O Sung 12 episodes, 2022
- Sanyee Yuan
- Â Park Na-Rin 12 episodes, 2022
- Ho Eun Jin
- Â Sa Jung Gyeong 12 episodes, 2022
- Park Jeong-yeon
- Â Jo Ah-yeong 12 episodes, 2022
- Victoria Grace
- Â Additional Voices / ... 6 episodes, 2022
- Keisuke Hoashi
- Â ER Doctor / ... 5 episodes, 2022
- Min Soo-Hwa
- Â Im So Mi 2 episodes, 2022
- Esther K. Chae
- Â Soonheon's Mother 1 episode, 2022
- Bong Jae-hyun
- Â Bang Woo-Tak 1 episode, 2022
- Kim Jun-hyung
- Â Ji Soo Min 1 episode, 2022
- Jo Yoo-jeong
- Â Gi family's housekeeper 1 episode, 2022
- Jang Seon-yul
- Â Ok Chan-kyu 1 episode, 2022
- Park Jung-eon
- Â Violin Teacher 1 episode, 2022
- Niko Zylik
- Â Young Wonseok Dubbed EN 1 episode, 2022
- Tia Cuevas
- Â Student (uncredited) 12 episodes, 2022
