Firstborn

Oh Yoon-ah

Lee Ji-Sook (54 episodes)

Hyun-kyoon Lee

Park Soon-taek (54 episodes)

Yoon Jeong-hee

Kim Young-Sun (54 episodes)

Jae-jeong Park

Lee In-Ho (54 episodes)

Yoo Hae-jung

Kim Young-Sun (54 episodes)

Jo Yi-Jin

Kim Young-Ran (54 episodes)

Hwang Bo-ra

Park Soon-Geum (54 episodes)

Jo Seong-yun

Jong Bok (54 episodes)

Yun Yoo-sun

Ban Chon-Daek / Yoon Im-Soon (54 episodes)

Ahn Ji-hye

Tan Shil (54 episodes)

Lee Dal Hyung

Park Jae-Oh (54 episodes)

Noh Jung Ui

Ji Sook [Young] (54 episodes)

Kim Jin-su

Son Jae-Shik (54 episodes)

Kang Chan

Kim Young-Du (54 episodes)

Jeon Won-joo

Choi Sa-Yeob (54 episodes)

Lee Jong-Won

Kong Chang-Rae (54 episodes)

Ra Mi-ran

Na Mi-Soon (54 episodes)

Lee Seung-joon

Mr. Lee (54 episodes)

Lee Kwan-hee

Director (54 episodes)

Kim Jung-soo

Writer (54 episodes)