Cast of Helpless
18 credited, in billing order.
Kim Min-heeas Cha Kyeong-seon
Lee Sun-kyunas Jang Moon-ho
Cho Seong-haas Kim Jong-geun
Song Ha-yoonas Han-na
Choi Deok-moonas Ha Seong-sik
Lee Hee-junas No Seung-joo
Kim Min-jaeas Moon-ho's Friend
Choi Il-hwaas Moon-ho's Father
Park Hae-joonas Loan Shark
Yang Eun-yongas Ki-tae's Wife
Jin Sun-kyuas Manager
Cha Soo-yeonas Kang Seon-yeong
Im Ji-gyuas Stalker
Min Sung-wookas Kim Hyun-jun
Kim Soo-jinas Jong-geun's Wife
Kim Do-youngas Park Myung-shin
Shin Yeon-sookas Park Myung-ja
Sung Moon-kyu
Sung Moon-kyuas Male Anchor
