Joo Seo-yeon (as Yeon-Seo Oh)
Lee Kang-woo
Kim Mi-kyeong (as Seul-gi Kim)
Lee Min-hyeok
Park Hyeon-soo (as Jeong-min Heo)
Joo Seo-yeon's father
Joo won-suk (as In-ha Cha)
Joo Seo Joon's trainee
Han Jung Ho