Pemeran My First Love

Lee Jung Shin

as Kang Shin Woo

Pemeran Utama

Seo Ji Hoon (서지훈)

as Kang Shin Woo [Young]

Pemeran Utama

Lee Yeol Eum (이열음)

as Han Ji Soo

Pemeran Utama

Kim Min Seok

as Kim Min Seok

Pemeran Pembantu

Min Do Hee

as Jang So Ra

Pemeran Pembantu

Lee Joo Hyung

as Choo Geun Deok

Pemeran Pembantu

Lee Sang

as Ki Wan

Pemeran Pembantu

Cho Yi Hyun

as Baek Na Hee

Pemeran Pembantu

Song Ji Hyun

as Kang Shin Hee

Pemeran Pembantu

Kim Sun Young

as [Shin Woo's mother]

Pemeran Pembantu

Ko Kyu Pil

as [Mozart student's Head Teacher]

Pemeran Pembantu

Lee Tae Sun

as Shin Joo Hwan

Pemeran Pembantu

Park Han Sol

as Kim Yun Jeong [Associate Physician]

Pemeran Pembantu

Jeon Young Mi

Bintang Tamu

Han Sang Bin

as [Student]

Bintang Tamu

Lee Ye Bit

as [Min Suk & So Ra’s daughter] (Ep.1, 9)

Bintang Tamu

Min Yeon Hong

Sutradara

Lee Jung Hoon

Sutradara

Park Ga Yun

Screenwriter