- Joo Won
- Â Hwang Dae-myeong 12 episodes, 2023
- Lee Joo-woo
- Â Choi Min-woo 12 episodes, 2023
- Jo Han-chul
- Â Jang Tae-in 12 episodes, 2023
- Kim Jae-Won
- Â Sin Chang-hoon 12 episodes, 2023
- Lee Deok-hwa
- Â Kim Yeong-soo 12 episodes, 2023
- Song Jae-hee
- Â Jang Choon-peong 12 episodes, 2023
- Kim Jae-cheol
- Â Jo Heen-dal 12 episodes, 2023
- Jang Gwang
- Â Chairman Yang 12 episodes, 2023
- Choi Jung-woo
- Â Dr. Go 12 episodes, 2023
- Choi Hwa-jeong
- Â Lee Chun-ja 12 episodes, 2023
- Min Soo-Hwa
- Â Jin Ae Ri 12 episodes, 2023
- Lee Dong-kyu
- Â Anchor 2 episodes, 2023
- Ahn Soo-ho
- Â Joseon state seal donor 1 episode, 2023
- Kwon Hyuk-soo
- Â Cultural heritage administration director 1 episode, 2023
- Goo Min-Hyuk
- Â Artifact owner 1 episode, 2023
- Lee Sang-jun
- Â 'Bat' (Song-sheol's underling) / ... 1 episode, 2023
- Kim Hak-cheol
- Â Wang In-chul 1 episode, 2023
