Crash Course in Romance [Indonesian]

Jeon Do-yeon

Nam Haeng-Seon

Jung Kyung-ho

Choi Chi-Yeol

Lee Bong-ryun

Kim Young-Joo

Oh Eui-Sik

Nam Jae-Woo

Sin Jae-ha

Ji Dong-Hee

Jang Young-Nam

Jang Seo-Jin

Kim Sun-young

Jo Su-Hui (Soo-Ah's mother)

Hwang Bo-ra

Lee Mi-Ok (Dan-Ji's mother)

Roh Yoon-seo

Nam Hae-Yi

Kim Min-chul

Young Choi Chi-yeol

Lee Yeon

Nam Haeng Seon [Teenager]

Lee Chae-Min

Lee Sun-Jae

Ryu Da-Bin

Jang Dan-Ji

Lee Min-Jae

Seo Geon-Hu

Kim Da-hwin

Jeon Jong-Ryeol

Kang Na-eon

Bang Soo-Ah

Jeong Han-Seol

Bae Jeong-Su (Detective)

Kim Tae-Jung

Lee Hui-Jae