Jae-hyeon (6 episodes)
Cha Yi-hoo (6 episodes)
Siren (6 episodes)
Doctor K (6 episodes)
Hacker Park (6 episodes)
Peach (6 episodes)
Seri (voice) (6 episodes)
Choi Han-gi's youngest son (6 episodes)
[Audience member] (1 episode)
Director (6 episodes)
Writer (6 episodes)
Writer (6 episodes)