Pemeran Somehow 18

Choi Min Ho (최민호)

as O Gyeong Hwi

Pemeran Utama

Lee Yoo Bi

as Han Na Bi

Pemeran Utama

Kim Hee Chan

as Jang Seul Gi

Pemeran Pembantu

Yoo Joon Hong

as Ma Gi Ho

Pemeran Pembantu

Choi Seo Hyuk

as Baek Jin Wook [Singer-songwriter]

Pemeran Pembantu

Kim Min Seo

as Da Eun

Pemeran Pembantu

Choo Soo Bin

as Woo Hee

Pemeran Pembantu

Lee Sang Hoon

as [Teacher]

Pemeran Pembantu

Kim Bo Mi (김보미)

as Oh Yi Do [Kyung Hwi's older sister]

Pemeran Pembantu

Yoo Min Joo

Bintang Tamu

Park Joon Soo

as [Junior Soccer Ball player]

Bintang Tamu

Lee Ga Won

Bintang Tamu

Kim Do Hyung

Sutradara

Oh Hwan Min

Executive Producer

Guk Ji Yong

Bit part