Kim Sae-ron
Jung Ah-rin (12 eps)
Cha Eun-woo
Cha Eun Woo (12 eps)
Moon Bin
Moon Bin (12 eps)
MJ
MJ (12 eps)
Park Jin-woo
Jin Jin (12 eps)
Park Min-hyuk
Rocky (12 eps)
Yoon San-ha
Yoon San Ha (12 eps)
Seo Kang-joon
Ah-rin's elder brother (12 eps)