Yoo Ji-tae

as Shin Jae-yi (1 episode)

as Han Myeong-hoe

as Narrator (voice)

as J (8 episodes)

as Jeong-su

as Self (8 episodes)

as Jo Heon (8 episodes)

Director

as Self (1 episode)

as Self (1 episode)

as Professor (12 episodes)

as Han Jae Hyun (16 episodes)

as Self (archive footage) (1 episode)

as Narrator (voice)

as Kim Won-bong (40 episodes)

as Beon Ho-pyo

as Kim Dong-soo

as Man 2

as Self (2 episodes)

as Park Hee-su

as Choi Kang-Woo (16 episodes)

as Cheol-jong

as Self