- Jin Goo
- Â Go Tae Rim 16 episodes, 2019
- Seo Eun-su
- Â Seo Jae In 16 episodes, 2019
- Yoon Park
- Â Kang Ki-seok 16 episodes, 2019
- Chae Jeong-an
- Â Min Joo Kyung 16 episodes, 2019
- Jung Sang-hoon
- Â Yoon Sang-goo 16 episodes, 2019
- Lee Soon-jae
- Â Koo Se Joong [Tae Rim's butler] 16 episodes, 2019
- Kim Byeong-Ok
- Â Bang Dae Han [CEO of B&G Law Firm] 16 episodes, 2019
- Yoo Su-bin
- Â Kim Byung-Tae 16 episodes, 2019
- Mun Ye-won
- Â Nam Seol Hee [Jae In's friend] 16 episodes, 2019
- Kim Ho-jung
- Â Professor Song [Jae In's guardian] 16 episodes, 2019
- Joo Min-ha
- Â Charlotte 16 episodes, 2019
- Hong Seo-jun
- Â Ha Na's father 2 episodes, 2019
- Song Yong-sik
- Â Django Antonio (Rock guitarist) 2 episodes, 2019
- Jung Doo-kyum
- Â Judge Kim Sung-woo 2 episodes, 2019
- Jo Seung-yeon
- Â Juror 2 episodes, 2019
- Park Mi-suk
- Â CEO Lee 2 episodes, 2019
- Jeong Han-bin
- Â B&G Law Firm lawyer 1 episode, 2019
- Yoon Ji-sook
- Â Shin Hee-Kyung 1 episode, 2019
- Jang Yoo-sang
- Â Kim Yi-soo unknown episodes
