Jang Seong-beom

as Kim Dong-woo

as Nam-cheol

as Tae Baek-ho (10 episodes)

as Taemin

as Park Kyung-wan (1 episode)

as Kang Joon-hee

as Sung-yeol

as Shim Ji-gu (16 episodes)

as Kim Dong-woo (22 episodes)

as Woo Gwang-ho (young) (1 episode)

as Lee Pil Yong [plane crash victim] (1 episode)

as Cheol-won

as Park Sung-Bum (7 episodes)

as Han Dong-hee (16 episodes)

as Park Jin

as Choi Soo-pyo

as Park Hyo-Seob (young) (50 episodes)

as Oh Jang-woo

as Park Kyung-wan (16 episodes)

as Young Soo-tak

as Jo Jae-Hee (16 episodes)

as Lee Jong-Soo (20 episodes)

as Teri

as Production crew (4 episodes)