Pemeran Hello, Brother

Park Ji Bin

as Jang Han Yi

Pemeran Utama

Bae Jong Ok

as [Mother]

Pemeran Utama

Park Won Sang

as [Father]

Pemeran Utama

Seo Dae Han

as Jang Han Byul

Pemeran Utama

Son Young Soon

as [Wook's grandmother]

Pemeran Pembantu

Lee Seung Hun

as [Wook's father]

Pemeran Pembantu

Oh Ji Hye

as [Wook's mother]

Pemeran Pembantu

Tae Woong

as [Han Yi's friend]

Pemeran Pembantu

Ahn Sang Tae

as [Attracts people and distributes flyers / Waiter]

Bintang Tamu

Choi Jin Ho

as Na Young Soo [Doctor]

Bintang Tamu

Yang Hyun Oh

as Ji Ju Cheol

Bintang Tamu

Jeon Hye Jin

as [Han Yi's teacher]

Bintang Tamu

Seo Beom Shik

as 'Tarzan'

Bintang Tamu

Park Geun Soo

as 'Lightning Head' Resident

Bintang Tamu

Eom Ok Ran

as [Ju Cheol's mother]

Bintang Tamu

Kim Young Ho

Cinematography

Lim Tai Hyung

Sutradara

Kim Eun Jung

Screenwriter

So Do Bi

as [Operating room anesthetist]

Bit part