- Moon Chae-won
- Â Ha Seon-woo 20 episodes, 2017
- Oh Yeon-su
- Â Seo Hye-won (Ki-hyung's wife) 20 episodes, 2017
- Lee Joon-gi
- Â Kim Hyun Joon / ... 20 episodes, 2017
- Son Hyeon-ju
- Â Kang Ki Hyung / ... 20 episodes, 2017
- Seon Yu
- Â Na Na Hwang 20 episodes, 2017
- Lee Sun-bin
- Â Yoo Min Young / ... 20 episodes, 2017
- Go Yoon
- Â Lee Han 20 episodes, 2017
- Kim Yeong-cheol
- Â Baek San 20 episodes, 2017
- Jang Dong-joo
- Â Park Jae-min 20 episodes, 2017
- Yoon Song-a
- Â Choi Yoo-rim 20 episodes, 2017
- Go Man-kyu
- Â Agent in Kang's team 20 episodes, 2017
- Kim Won-hae
- Â Kim Yeong Chul 3 episodes, 2017
- Kim In-kwon
- Â Ahn Sang-chul 2 episodes, 2017
- Kim Hyun-bin
- Â Do-yeong 2 episodes, 2017
- Kim Ho-jung
- Â Ahn Yeo Jin 2 episodes, 2017
- Im Soo-hyang
- Â Song Yoo-kyung 1 episode, 2017
- Hong Ji-yoon
- Â Park In Hye 1 episode, 2017
- Choi Ji-su
- Â Girl 1 episode, 2017
- Park Si-eun
- Â Mo Ji-eun unknown episodes
