Characters played by Cho Jin-woong
Won Ho
Characters played by Ryu Jun-Yeol
Seo Young Rak
Characters played by Seung-Won Cha
Brian
Characters played by Kim Sung-ryung
Oh Yeon Ok
Characters played by Park Hae-joon
Park Seon Chang
Characters played by Ju-hyuk Kim
Jin Ha Rim
Characters played by Ga-ram Jung
Dong Woo
Characters played by Seo Hyun-woo
Jung Il
Characters played by Seung-Hyun Kang
Soyeon
Characters played by Kim Dong-young
Dong Young (Deaf Twin)
Characters played by Seo-Yeon Jin
Bo Ryung
Characters played by Sae-Rok Keum
Su Jong
Characters played by Ju-Young Lee
Joo Young (Deaf Twin)
Characters played by Eun-yeong Park
Yook Pil-Soon
Characters played by Yoon Jong-In
Ha-Rim's subordinate
Characters played by Kim Young-joo
Incheon factory executive
Characters played by Joon-Won Jung
Duk-Chun
Characters played by Moon-cheol Nam
Department Head
Characters played by Ji-Min Lee
Staff woman with cart
Characters played by Park Jin-Soo
Bully girl