Full cast of Secret Playlist

Kim Hyang-gi

Song Han-ju

8 episodes

Shin Hyeon-seung

Lee Do-guk

8 episodes

Yeon Oh

Lee Mak-chun

8 episodes

Yang Dong-geun

Han Ju's father

8 episodes

Yang So-min

Owner of Black cat

8 episodes

Kang Sung-yeon

Han Ju's mother

8 episodes

Joo In-young

Ji Yoon's mother

8 episodes

Oh Kyu-taek

Ji Yoon's father

8 episodes

Cha Bo-sung

Choi Sung-tae

8 episodes

Lee Won-jae

Ma Won-jae

8 episodes

Kang Ji-deok

Hyuk Jin

8 episodes

Kim Ye-sol

Baek Shin-hee

8 episodes

Jeon Seo-jin

Ji Yoon

8 episodes

Shin Su-hyun

Se-ah

1 episode

Jeong Soo-young

Go Yoo-jung

1 episode

Oh Chae-eun

Interviewee

1 episode

Kim Shin-yeol

[Interviewee]

1 episode