More than blue

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

Sa-pa-mi Engineer

Wung-hoe Gu

Young Kay

Im Chul-hyung

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

Nam Gyu-ri

Cat Girl

Lee Seung-chul

Singer A

Jung Joon-ho

President Lim