유원준
— Yong-cheol, driver of the train
Hyeon-Sook Kim
— Eun-sil, Yong-cheol's wife
문예봉
— Yeon-hee, foreman of the female brigade
최운봉
— party organizer
Eun-ryung Ran
— Hye-sook, girlfriend Eun-sil
Geul-сhoong Chan
— Ok-san, girlfriend Eun-sil
Dean Ran
— master
Bongwon Kang
— assistant train driver
Han-young Kim
— fireman