Kang Ji-Woon (16 episodes, 2016)
Kang Hyeon-min (16 episodes, 2016)
Eun Ha-won (16 episodes, 2016)
Kang Seo-woo (16 episodes, 2016)
Lee Yoon-sung (16 episodes, 2016)
Park Hye-ji (16 episodes, 2016)
Han Ji-seon (Ji-woon's mother) (2 episodes, 2016)
Jun Su (1 episode, 2016)
Ms. Beolgyo (1 episode, 2016)
Jeong-hyeon (1 episode, 2016)
Seo-Woo's manager (1 episode, 2016)
Plastic surgeon (1 episode, 2016)
Hyun-min's girlfriend (1 episode, 2016)
CEO Kang (unknown episodes)