Kim Hyun Joon / Kim Hyeon-joon (20 episodes, 2017)
Kang Ki Hyung / Kang Gi-hyeong (20 episodes, 2017)
Ha Sun Woo / Ha Seon-woo (20 episodes, 2017)
Na Na Hwang (20 episodes, 2017)
Yoo Min Young / Yoo Min-yeong (20 episodes, 2017)
Lee Han (20 episodes, 2017)
Baek San (20 episodes, 2017)
Park Jae-min (20 episodes, 2017)
Choi Yoo-rim (20 episodes, 2017)
Agent in Kang's team (20 episodes, 2017)
Seo Hye Won [Ki Hyung's wife] / Hye-won (4 episodes, 2017)
Kim Yeong Chul (3 episodes, 2017)
Ahn Sang-chul (2 episodes, 2017)
(2 episodes, 2017)
Ahn Yeo Jin (2 episodes, 2017)
Do-yeong (2 episodes, 2017)
Song Yoo-kyung (1 episode, 2017)
Park In Hye (1 episode, 2017)
Mo Ji Eun (unknown episodes)