Crash Course In Romance cast is including:
Jeon Do-yeon as Nam Haeng-seon (16 episodes), Jung Kyung-ho as Choi Chi-yeol (16 episodes), Lee Bong-ryeon as Kim Yeong-ju (16 episodes), Oh Eui-sik as Nam Jae-woo (16 episodes), Shin Jae-ha as Ji Dong-hui (16 episodes), Roh Yoon-seo as Nam Hae-e (16 episodes), Jang Young-nam as Jang Seo-jin (16 episodes), Kim Sun-young as Cho Su-hui (16 episodes), Hwang Bo-ra as Lee Mi-ok (16 episodes), Heo Jung-do as Kang Joon-sang (16 episodes), Lee Chae-min as Lee Sun-jae (16 episodes), Kang Na-eon as Bang Su-a (16 episodes)