Cheer Up Mr. Lee

Hong Wan-pyo

as

Byeong-heon

Heo Joon-seok

as

Seung-bo

Yang Hyun-min

as

Beom-su

Kim Young-hyeon

as

Young-hyeon

Lee Byeong-heon

as

Staff

Kang Hyoung-ch...

as

Cameo

Kang So-ra

as

Cameo

Shin Yeon-sook

as

Byeong-heon's ...

Lee Ha-nui

as

[PD]