Pemeran Once We Were Us

Koo Kyo Hwan (구교환)

as Lee Eun Ho

Pemeran Utama

Mun Ka Young (문가영)

as Han Jeong Won

Pemeran Utama

Lee Sang Yeob

as Kang Min Jae [Jeong Won's ex-boyfriend]

Pemeran Pembantu

Lim Jae Hyeok

as O Gyeong Seok [Eun Ho's friend]

Pemeran Pembantu

Shin Jung Keun

as [Eun Ho's father]

Pemeran Pembantu

Kang Mal Geum

as [Eun Ho's mother]

Pemeran Pembantu

Kim Do Young

Sutradara

Yeom Moon Kyung

Screenwriter

Yoo Yi Jae

as [Interview applicant]

Extras Casting