Pemeran Blue Birthday: The Movie

Ye Ri

as Oh Ha Rin

Pemeran Utama

Yang Hong Seok (양홍석)

as Ji Seo Joon

Pemeran Utama

Lee Sang Jun

as Cha Eun Sung

Pemeran Pembantu

Kim Yi Seo

as Ji Hye Min [Seo Joon's older sister]

Pemeran Pembantu

Kim Gyeol Yu

as Do Soo Jin

Pemeran Pembantu

Park Joo Hyun

as Kim Eui Young

Pemeran Pembantu

Lee Dong Joo

as Kim Sin U

Pemeran Pembantu

Jeong Ye Dam

as Ji Hye Min [Young]

Bintang Tamu

Kim So Yoon

as Oh Ha Rin [Young]

Bintang Tamu

Park So Jung

as Do Soo Jin [Young]

Bintang Tamu

Moon Joo Won

as Ji Seo Jun [Young]

Bintang Tamu

Song Min Hyung

as [Photo Shop owner]

Bintang Tamu

Yoo Soo Bin

as [Senior at Seoyeon High School]

Bintang Tamu

Min Chae Yeon

as [Ha Rin's co-worker]

Bintang Tamu

Lee Byung Jae

as [Detective]

Bintang Tamu

Moon Sang Hoon

Bintang Tamu

Park Dhan Hee

Sutradara