Park Sun-ho

Ma Dae-choong

Kim You-jung

Navi

남지현

Seo-rin

백성현

Chun Ji Woon

Oh Kwang-rok

Seo-rin's manager

임슬옹

Park Tae-joon

Jo Bo-ah

Ye Bom

Jang Hyuk

Dae Chung's neighbor

Kim Woo-bin

Love Cell Hunter/King of romance

Yeom Hye-ran

Dae Chung's landlord