Full Cast — What's Wrong with Secretary Kim (2018)
Park Seo-jun
Lee Young-joon
Park Min-young
Kim Mi-so
Lee Tae-hwan
Lee Sung-yeon
Pyo Ye-jin
Kim Ji-a
Kim Hye-ok
Madame Choi
Kim Byeong-ok
CEO Lee
Kang Ki-young
Park Yoo-sik
Kang Hong-suk
Yang Cheol
CHANSUNG
Go Gwi-nam
Kim Ye-won
Seol Ma-eum
Lee Yoo-jun
Jung Chi-in
Hwang Bo-ra
Bong Se-ra
Baek Eun-hye
Kim Pil-nam
Heo Soon-mi
Kim Mal-hee
Kim Jung-woon
Park Joon-hwan
Lee Jung-min
Lee Young-ok
Seo Hyo-rim
Yoo-sik's Ex-wife
Moon Woo-jin
Lee Young-joon / Lee Sung-hyun
Bae Gang-yoo
Young Lee Sung-yeon
Kim Ji-yoo
Young Kim Mi-so
Jo Deok-hyeon
Kim Young Man [Mi So's father]
Bae Hyeon-seong
Bae Yun Sung [Intern]
Hong Ji-yoon
Oh Ji Ran [Famous model & onetime girlfriend of Young Joon]
Ko Se-won
Chairman Lee [Yeong Joon's father - Young]
Lee Soo-kyung
Mrs. Choi [Young Joon's Mother - Young]