A Single Spark

Hong Kyung-in

as

Jeon Tae-il

Moon Sung-keun

as

Young-soo

Kim Sun-jae

as

Jung-soon

Kim Bo-kyung

as

Kyung-ja

Dong Bang-woo

as

Tae-il's Father

Jeong In-gi

as

Young-soo's Ju...

Park Yong-su

as

President of P...

Lee Yong-nyeo

as

Woman Buying U...

Kwon Tae-won

as

Factory Owner

Lee Joo-sil

as

Tae-il's Mother

Yoo Soon-chul

as

Young-soo's Fa...

Park Cheol-min

as

Hanmisa Tailor

Lee Sun-kyun

as

Newspaper Read...

Lee Hye-mi

as

Worker