A Single Spark

Hong Kyung-in

Jeon Tae-il

Moon Sung-keun

Young-soo

Kim Sun-jae

Jung-soon

Kim Bo-kyung

Kyung-ja

Dong Bang-woo

Tae-il's Father

Jung In-gi

Young-soo's Junior

Park Yong-su

President of Pyunghwa Market

Lee Yong-nyeo

Woman Buying Umbrella

Kwon Tae-won

Factory Owner

Lee Joo-sil

Tae-il's Mother

Yoo Soon-chul

Young-soo's Father

Park Cheol-min

Hanmisa Tailor

Lee Sun-kyun

Newspaper Reader

Lee Hye-mi

Worker

Kim Young-dae

Detective