Sunny Day

Choi Daniel

as

Jo Dong-pil

Jung Hye-in

as

Oh Sun-hee

Han Sang-jin

as

Ha Suk-jin

Kang Eun-tak

as

Kang Sung-gi

Kim Jung-hwa

as

Cha Yung-sook

Kim Jeong-gyun

as

Chief Maeng

Joo Seok-je

as

Manager Joo

Ji Sung-won

as

Soon-i's Mom

Kim Ki-nam

as

President Park

Jung Min-kyung

as

Yung-hee's Mom

Ahn Ji-hwan

as

Executive Vice...