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
Kyeong-seon Kim
Wedding Manager
Ha-jin Lee
Japanese Rocker
Nam Gyu-ri
Cat Girl
Lee Seung-chul
Singer A
Jeong Jun-ho
President Lim