- Lee Joon-gi
- Â Kim Hee-Woo 16 episodes, 2022
- Kim Ji-eun
- Â Kim Hee Ah 16 episodes, 2022
- Jung Sang-hoon
- Â Lee Min-soo 16 episodes, 2022
- Cha Joo-young
- Â Han Ji Hyun 16 episodes, 2022
- Kim Hee-Jung
- Â Lee Mi-ok 16 episodes, 2022
- Choi Min
- Â Lee Yeon-seok 16 episodes, 2022
- Lee Soon-jae
- Â Woo Yong-Soo 16 episodes, 2022
- Park Chul-min
- Â Kim Chan-sung 16 episodes, 2022
- Kim Jae-kyung
- Â Kim Han-mi 16 episodes, 2022
- Yoo Dong-geun
- Â Assemblyman Hwang Jin-yong 16 episodes, 2022
- Park Hae-in
- Â Jin-yong's daughter 16 episodes, 2022
- Hong Bi-Ra
- Â Kim Gyoo-ri 16 episodes, 2022
- Hyun Woo-sung
- Â Dr. K 16 episodes, 2022
- Jo Sung-won
- Â Park Jin-hyuk 16 episodes, 2022
- Lee Kyoung-young
- Â Jo Tae-Seob 15 episodes, 2022
- Lee Tae-hyung
- Â Goo Wook-chung 3 episodes, 2022
- Lee Dong-kyu
- Â Anchorman 2 episodes, 2022
- Yoo Soon-woong
- Â Professor Min Byung-sun 2 episodes, 2022
- Choi Dong-goo
- Â Jong-il's friend 1 episode, 2022
- Lee Kyu-han
- Â Lawyer Cha 1 episode, 2022
- Oh Kyu-taek
- Â Chunha Healthcare staff 1 episode, 2022
- Kwon Hyuk-soo
- Â Dr. Yoon 1 episode, 2022
- Kang Suk-won
- Â Prosecutor 1 episode, 2022
- Cho Yoo-shin
- Â Doctor 1 episode, 2022
- Do Kyung Kim
- Â Moon Sung Hwan [App developer] 1 episode, 2022
