恋爱细胞

Park Sun-ho

Ma Dae-choong

金裕贞

Navi

남지현

Seo-rin

白成铉

Chun Ji Woon

吴光禄

Seo-rin's manager

임슬옹

Park Tae-joon

曹宝儿

Ye Bom

张赫

Dae Chung's neighbor

金宇彬

Love Cell Hunter/King of romance

廉惠兰

Dae Chung's landlord