행복의 진수

Kim Woo Hyeok

— Won Joong

공명

— Nam Goong Jin Soo

박소진

— Jung Soo

Lee Yoon-hee

— Nam Pil Joo

Heo Jung-do

— Kang Hyun Sook

Choi Si-on

— Kim Yoo Jin

진건우

— Kim Young Joon

Oh Man-seok

— Jong Soo [Jin Soo's father]

Kim Bit Na Ri

— So Yun

박종환

— Han Hyung Woo

정성호

— Nam Dae Gun