- Si-Wan Yim
- Â Hwang Dong-joo 16 episodes, 2022
- Ko Ah-sung
- Â Seo Hye-young 16 episodes, 2022
- Son Hyeon-ju
- Â In Tae-Joon 16 episodes, 2022
- Park Yong-woo
- Â Oh Young 16 episodes, 2022
- Choo Sang-mi
- Â Vice Commissioner Min So-Jung 16 episodes, 2022
- Lee Kyu-hoi
- Â Lee Ki-dong 16 episodes, 2022
- Lee Chang-hoon
- Â Ryoo Yong-sin 16 episodes, 2022
- Choi Joon-Young
- Â In Do-hoon 16 episodes, 2022
- Yoon Se-Woong
- Â Ahn Sung-sik 16 episodes, 2022
- Lee Jung-Sic
- Â Kim Young Tae 16 episodes, 2022
- Kim Yeong-Seong
- Â Joo Yeong-moo 7 episodes, 2022
- Choi Ji-yeon
- Â Seo Eun-hee (Hye-young's Mother) 3 episodes, 2022
- Kang Seung-ho
- Â Han Kyeong-mo 2 episodes, 2022
- Lee Han-ik
- Â Lee Jung-ho 2 episodes, 2022
- Lee Dong-kyu
- Â Anchorman 1 episode, 2022
- Jo Yoo-jeong
- Â Hye-young's mother-in-law 1 episode, 2022
- Song Hoon
- Â Auditor section chief 1 episode, 2022
- Yim So-yun
- Â Go Dong-won's niece 1 episode, 2022
- Lee Seung-joon
- Â Mechanic 1 episode, 2022
- Jo Seung-yeon
- Â Sung-sik's wife 1 episode, 2022
- Shin Jae-hwan
- Â Loanshark CEO 1 episode, 2022
- Moon Su-in
- Â Kim Han-bin 1 episode, 2022
