Moment at Eighteen

Seong-wu Ong

Choi Jun Woo

Hyang-gi Kim

Yoo Soo-bin

Seung-Ho Shin

Ma Hwi-young

Kang Ki-young

Oh Han-kyeol

Kim Do-Wan

Jo Sang-hoon

Moon-Bin

Jung Oh Je

Kim Sun-young

Yoon Song-hee (Soo-bin's mother)

Yi-yeong Shim

Lee Yeon-woo

Park Sung-Geun

Lee Guan Yong [Vice Principal]

Yoo In-soo

Yoo Pil-sang

Jung Young-joo

Park Geum Ja

Young-ji Heo

Kim Ji Min

Sungmin Han

Hwang Ro-mi

Choi Dae-hoon

Son Je Yeong

Baek Jae-Woo

Go Dong

Kim Ji-Woo

Sin Jeong-hoo (child)

Geon-Hee Song

Shin Jeong Hu