as Joo Sung-Chan

as Yeo Myung-Ha

as Son Hee-Sung

as Oh Jung-Hak

as Jung Tae-Soo

as Seo Joon

as Seo Gun-Il

as Han Ji-Hoon

as Jo Jae-Hee

as Yoon Bo Ram

as [Cheng Zhi's coworker]

as Choi Sung-Bum

as Yang Chung Jang

as Kong Ji Man

as Gong Jung In

as Jung Soo Kyung

as Jung Hyun Ho

as Chief Go

as No Kyung Seok

as Oh Ha Na

as Change's Colleague