Kwon Sang-woo

Kay

Lee Bo-young

Cream

Lee Beom-soo

Cha Joo-hwan

Jung Ae-yeun

Je-na

Lee Han-wi

President Kim

Jong-hak Choi

Engineer

Wung-hoe Gu

Young Kay

Im Cheol-hyung

Cat Girl's Song-writer

Eun-ran Jo

Min-cheol's Wife

Myeongsin Kim

Kay's Birth Mother