

Ji-soo is unsuccessful in fulfilling her dream of becoming a famous pianist. However, when she comes across a child with great potential, she decides to fulfil her dream through him.

Uhm Jung-hwa
Kim Ji-soo
LeadSin Ee-jae
Yoon Gyung-min

Park Yong-woo
Shim Kwang-ho

Choi Sun-ja
Gyung-min's Grandmother

Jung In-gi
Ji-soo's Older Brother

Kim Bo-ra
Min-hee

Kim Hee-jung
Jeon Kong-ja's Mother

Yoo Ji-yeon
5th Performer
“A staggering achievement of craft and ambition. Kwon Hyung-jin's vision lands with breathtaking precision.”
“Every frame feels alive. For Horowitz is the rare release that takes its audience seriously.”