Yang Dae-hyeok

as Sung-han

as Lee Gyoo-han (1 episode), as Park Ji-hoo (1 episode)

as Hwang Yun-ho (12 episodes)

as Park Sung Gwan (2 episodes)

as Manager Yoon (1 episode)

as Reporter Choi Yang-won (2 episodes)

as Nam Gyu-jang (12 episodes)

as Rude pork sample guy (1 episode)

as Cha Sang Kwon [designer Nalsaem Design] (24 episodes)

as Lee Dong Sik (12 episodes)

as Agent, Situation Room