Lee Si-hoon

as Kim Young-moon (7 episodes)

as Shin Kyeong-min (12 episodes)

as Yeo Jeong-tam (16 episodes)

as Soccer Coach Oh

as Park Sang-woo (12 episodes)

as Kkol-tong

as Left Paw

as Ko Dong-gyu (12 episodes)

as Ma Du-sik (16 episodes)

as Left Paw

as Gyeon-woo

as Lee Jin-young (1 episode)

as Orangibberish (3 episodes)

as Patient (1 episode)

as Bang Jung-Han (10 episodes)

as Park Hyung-Soo (32 episodes)

as Detective

as Young Master (7 episodes)

as Park Han-gil (16 episodes)

as Officer Jang

as Jae-ho's Subordinate