이지아

Shim Soo-ryun

Kim So-yeon

Cheon Seo-jin

김소연

유진

Oh Yoon-hee

Park Ho-san

Yoo Dong-pil

박호산

엄기준

Joo Dan-tae

신은경

Kang Ma-ri

온주완

Baek Joon-ki

봉태규

Lee Gyu-jin

Yoon Jong-hoon

Ha Yoon-chul

윤종훈

박은석

Logan Lee

윤주희

Go Sang-ah

Ha Do-kwon

Ma Doo-gi

하도권

Ahn Yeon-hong

Jin Boon-hong

안연홍

Kim Hyeon-soo

Bae Ro-na

김현수

진지희

Yoo Je-ni

Kim Young-dae

Joo Seok-hoon

김영대

조수민

Anna Lee / Min Seol-ah

Han Ji-hyeon

Joo Seok-kyung

한지현

최예빈

Ha Eun-byeol

이태빈

Lee Min-hyeok

Kim Dong-Kyu

Secretary Jo

정성모

Cheon Myeong-soo

Choi Yu-ha

Attorney

Kim Do-hyeon

Secretary Do

최서연

Kwon Hye-mi

천희주

Noh Ji-a

나소예

Joo Hye In

하민

Kang Ok-gyo

안은호

Ahn Eun Ho [Cheong Ah student]

Kim Ri-won

Maid Ann Ji-min

신한결

Female Staff

이상우

Reporter Son Hyung-jin

Yu Jun-sang

Jung Doo-man

유준상

안태환

Seo Young's husband

Bret Allan Lindquist

JohnBIO Conference Attendee

Ki Tae-hwa

Soo-ryun's ex husband

Yun Seung-hun

Detective

윤승훈

Jeong Yoon-hee

Reporter

Lee Yeon-su

Chorister

Lee Na-ra

Baek Joon-ki's Mother

이나라

현은영

Neighborhood resident #1

Lee Jung-hyoung

[Investment advisor]

이정형