Whistling Princess

Ji Sung

as

Jun-ho

Kim Hyun-soo

as

Ji-eun

Park Sang-min

as

Seok-jin

In Gyo-jin

as

Soo-il

Sung Ji-ru

as

Sang-chul

Lee Hyeong-che...

as

Roy

Jang Gwang

Yoo Chae-young

Jang Nam-yeol

as

Waiter

Lee Kwang-gi

as

Jong Kil

Jeon Won-joo

as

Female owner o...

Kang Joo-sang

as

Gyeong-soo