- Jung Kyung-ho
- Â Jung Shi-hyun 20 episodes, 2013
- Jung Ji-soon
- Â Jo Ha-neul 20 episodes, 2013
- Nam Gyu-ri
- Â Yoon So-min 1 episode, 2013
- Lee Jae-yoon
- Â Ji Hyeong-min 1 episode, 2013
- Son Chang-min
- Â Min Hong-ki 1 episode, 2013
- Yoon Hyun-min
- Â Kim Hyeon-soo 1 episode, 2013
- Kang Se-jung
- Â Lee Kyung-Mi 1 episode, 2013
- Park Soo-young
- Â Detective Squad Chief Yang 1 episode, 2013
- Kim Byeong-Ok
- Â Jeo 'Scale' Woo 1 episode, 2013
- Kim Jeong-hak
- Â Prosecutor Ahn Kyeong-chan 1 episode, 2013
- Kim Min-sang
- Â Kim 'Meth' Bbong 1 episode, 2013
- Kim Yu-mi
- Â Lee Jin Sook unknown episodes
