Manager Kim (1 episode)

Self (1 episode)

Nam Gi-jun (7 episodes)

Moon Do-seok

Self (1 episode)

Moon Do-seok

Han Yi-han (16 episodes)

Kim Bon (32 episodes)

Himself (10 episodes)

Woo-jin

Choi Chil-sung

Kim Young-ho / John Kim (16 episodes)

Adult King Jeongjo

Cafe shop owner (1 episode)

Kim Ji Ho (10 episodes)

Joo Jоong-won / "Master" (17 episodes)

Ji Hyung-do

Kim Woo-hyun / Park Gi-young (20 episodes)

Cheol-min

Self (4 episodes)

Lee Jang-woo (20 episodes)

Ghost

Jeff

Lee Cho-in / Oh Kang-ho (20 episodes)

Lee Kang-pae

Yaksha

Ji Sub (4 episodes)

Ji-sub

Cha Moo-Hyuk (16 episodes)

Kang In-wook (20 episodes)

General Guishil Ari / Kang In-chul (20 episodes)

Choi, Kang-jo

Park Chul-woong (40 episodes)

Choi Kyo-in (16 episodes)

Attorney Choi Jang-Goon (16 episodes)

Jang Hee-moon (16 episodes)

Joon-won (16 episodes)

Chul-soo (2 episodes)

Min Ho (32 episodes)

Song Kyung-chul (36 episodes)