Pemeran Extraordinary You

Kim Hye Yoon (김혜윤)

as Eun Dan O

Pemeran Utama

Ro Woon (로운)

as Number 13 / Ha Ru

Pemeran Utama

Lee Jae Wook (이재욱)

as Baek Gyeong

Pemeran Utama

Lee Na Eun (이나은)

as Yeo Ju Da

Pemeran Utama

Kim Young Dae (김영대)

as O Nam Ju

Pemeran Utama

Jung Gun Joo (정건주)

as Lee Do Hwa

Pemeran Utama

Lee Tae Ri

as Jin Mi Chae / Dried Squid Fairy / A4

Pemeran Utama

Jo Deok Hee

as Kim Ban Jang [Class president]

Pemeran Pembantu

Kim Joon Sung

as Park Mo Beom / Bible

Pemeran Pembantu

Lee Song Yi

as Song I

Pemeran Pembantu

Kim Jae Hwa

as [Art class teacher] (Ep. 3, 12, 24, 26)

Bintang Tamu

Song Chang Gyu

as [Street vendor] (Ep. 9)

Bintang Tamu

Lee Yoon Sang

as [School director] (Ep. 9)

Bintang Tamu

Kim Geon U

as Baek Gyeong [Young] (Ep. 12, 21, 30)

Bintang Tamu

Kim Ji Yoo

as Eun Dan O [Young] (Ep. 21, 30)

Bintang Tamu

Hwang Bo Kwon

as [Waiter]

Bintang Tamu

Jeon Jeong Il

as [Doctor]

Bintang Tamu

Han Seung Hyun

as [Secretary]

Bintang Tamu

Lee Tae Ho

as [English teacher]

Bintang Tamu

Kim I San

as [Chemical teacher]

Bintang Tamu

Chae Hee Su

as [Buwon orchestra student]

Bintang Tamu

Hwang Hyun Jeong

Bintang Tamu

Park Se Jun

Composer

Lee Nyeom

Composer

Kim Sang Hyub

Sutradara

Kim Sang Woo

Sutradara

Moo Ryu

Original Creator

In Ji Hye

Screenwriter

Song Ha Young

Screenwriter

Noreen Joyce Guerra

as [Student]

Extras Casting