Kim Jae-joong
Bong Pil

Uie
Kang Soo Jin

Cha Sun-woo
Jo Seok Tae

Jung Hye-sung
Oh Jin Suk

Ju Jin-mo
Bong Pil's father

Kim Hye-ok
Bong Pil's mother

Seo Hyun-chul
Soo Jin's father

Lee Yeon-kyung
Soo Jin's mother

Kang Hong-suk
Bong Pil's friend

Jang Mi-kwan
Kang Jae Hyun [Soo Jin's fiance]

Lee Sang-yi
Oh Dal-Soo

Seo Yeong

Kim Yeong-ok

Jeong In-gi

Woo Hyeon
Suk Tae's father

Jin Hyun-kwang
Studio President

Cho Seo-hoo

Baek Sang-hee
Blind date