권상우

Kay

이보영

Cream

이범수

Cha Joo-hwan

정애연

Je-na

이한위

President Kim

Jong-hak Choi

Engineer

Wung-hoe Gu

Young Kay

임철형

Cat Girl's Song-writer

Eun-ran Jo

Min-cheol's Wife

Myeongsin Kim

Kay's Birth Mother

Kyeong-seon Kim

Wedding Manager

Ha-jin Lee

Japanese Rocker

남규리

Cat Girl

이승철

Singer A

정준호

President Lim

Won Tae-yeon