Cheon Gab Soo (16 episodes, 2016)
Noh Bang-Shil (2016) / Nah Bang Shil (16 episodes, 2016)
Baek Sung-il (16 episodes, 2016)
Yang Jung-do (16 episodes, 2016)
Chun Sung-hee (16 episodes, 2016)
Jo Mi-joo (16 episodes, 2016)
Ma Jin-seok (16 episodes, 2016)
Jin Seon-hwan (16 episodes, 2016)
Jung Ja-Wang (2016) / Jeong Ja Wang (15 episodes, 2016)
(15 episodes, 2016)
Investigator Park (4 episodes, 2016)
Yoo Tae-soo (1 episode, 2016)
Park Deok-Bae (2016) (unknown episodes)
Ahn Chang-Ho (2016) (unknown episodes)
Kang No-Seung (2016) (unknown episodes)