Jeon Jin-gi

as Park Geun-hyeon

as Hyun Chi-sung

as Head Coach Ahn Seong-hyun

as Section Chief

as Ha Il-goo (16 episodes)

as Vice Principal Choi Sung-han (16 episodes)

as Oh Jung Bae [CEO of Daechang Daily] (2 episodes)

as Department Head Lee (16 episodes)

as Park Sang-tae (129 episodes)

as Lee Gwi-Dong (20 episodes)

as Vice-Governor General

as Priest / Yu-jin's father (3 episodes)

as [Won Yong's boss] (1 episode)

as Kang Dae-Soo (16 episodes)

as Kim In Hwan (1 episode)

as Ahn Young-yi's father (1 episode)

as [Yuan Envoy] (51 episodes)

as Director (1 episode)

as Detective

as Manager

as Detective Lee

as Boatswain