Pemeran High School Return of a Gangster

Yoon Chan Young (윤찬영)

as Song I Heon | Kim Deuk Pal

Pemeran Utama

Bong Jae Hyun

as Choi Se Kyung

Pemeran Utama

Lee Seo Jin

as Kim Deuk Pal

Pemeran Utama

Seo Tae Hwa

as Choi Myung Hyun [Se Kyung's father]

Pemeran Pembantu

Won Tae Min

as Kim Dong Soo [Deuk Pal's subordinate]

Pemeran Pembantu

Kim Se Won

as Park Yeon Ji [Yi Heon & Se Kyung's friend]

Pemeran Pembantu

Joo Yoon Chan

as Hong Jae Min [High school bully]

Pemeran Pembantu

Ko Dong Ok

as Jong Cheol

Pemeran Pembantu

Hwang Bo Ra

as Lee Mi Kyung

Pemeran Pembantu

Park Woo Young

as Park Dong Gyoo

Pemeran Pembantu

Jung Ji In

as Kim Ye Ji

Pemeran Pembantu

Choi Ji Hye

as Min Ji

Pemeran Pembantu

Lee Kyung Young

as Seo Chll Sung ['Seven Stars' sect boss]

Pemeran Pembantu

Shin Min Jae

as [Math instructor]

Pemeran Pembantu

Lee Hee Jin

as Song Min Seo

Pemeran Pembantu

Lee Seung Joo

as [Jae Min’s sister]

Pemeran Pembantu

You Chae Eun

as [Nurse] (Ep. 1)

Bintang Tamu

Lee Jin Kwon

as [Nurse] (Ep. 1)

Bintang Tamu

Lee Ki Bbeum

as [Hairdresser] (Ep. 1)

Bintang Tamu

Ko Dong Hyoung

as [Dean of students] (Ep. 1)

Bintang Tamu

Song Hoon

as [Funeral employee] (Ep. 1)

Bintang Tamu

Yoon Kwan Woo

as [Detective] (Ep. 4, 7)

Bintang Tamu

Kim Joon Hyung

as [Detective] (Ep. 4)

Bintang Tamu

Kim Young Hoon

as [Hotel worker] (Ep. 6)

Bintang Tamu

Park Jong Sang

as [Motel owner] (Ep. 6)

Bintang Tamu

Lee Seung Hun

as Chairman Bae (Ep. 8)

Bintang Tamu

Kim Do Hyeong

as [Doctor] (Ep. 8)

Bintang Tamu

Lee Jung Eun

as [Maid]

Bintang Tamu

Park Jong Bum

as [Gang member]

Bintang Tamu

Seung Hyung Bae

as [Gang member]

Bintang Tamu

Kwon Ji Han

Bintang Tamu

Jung Da Hui

Screenwriter