Park Joon-mo (12 episodes, 2023)
Jung Ki-cheol (12 episodes, 2023)
Yoo Eui-jung (12 episodes, 2023)
Hae-ryeon (12 episodes, 2023)
(12 episodes, 2023)
Kwon Tae-ho (12 episodes, 2023)
Dohyung Seok (12 episodes, 2023)
Jang Kyeong-cheol (12 episodes, 2023)
Bok-nam (12 episodes, 2023)
Jo Kang-san (12 episodes, 2023)
Seo Jong-ryeol (12 episodes, 2023)
Hong Hee-seong (12 episodes, 2023)
Jo Chang-sik (12 episodes, 2023)
Cheol-gon (12 episodes, 2023)
Jeong Byeong-woo (12 episodes, 2023)
Park Jae-man (Joon-mo's father) (2 episodes, 2023)
Kwon Tae-Ho's dad (1 episode, 2023)
Hwang Min-Goo's colleague (1 episode, 2023)
Jung Gi-Cheul's wife (1 episode, 2023)
Lee Hyang-Jin (1 episode, 2023)
Eumseong squad chief (1 episode, 2023)
Cha Bong-Ju (1 episode, 2023)
Choi Jeong-bae (unknown episodes)
Baby (unknown episodes)