Kadro (11)
Lee Jung-shinKang Shin-Woo
Seo Ji-hoonYoung Kang Shin-Woo
Lee Yul-eumHan Ji-Soo
Lee Tae-seonShin Joo-Hwan
Cho Lee-hyeonBaek Na-Hee
Min Do-heeJang So-Ra
Lee Joo-hyungChoo Geun-Deok
Kim Sun-youngShin-Woo's mother
Park Han-solKim Yun-jeong
Ko Kyu-pilMozart student's Head Teacher
Kim Min-seokKim Min Seok