Helpless (2012)

Helpless is a 2012 South Korean psychological mystery/thriller written and directed by Byun Young-joo based on the bestselling novel All She Was Worth by Japanese writer Miyabe Miyuki.

More at Wikipedia.

Cast:

• Kim Byul
• Choi Deok-mun
• Lee Hee-joon
• Choi Il-hwa
• Im Ji-kyu
• Bae Min-hee
• Kim Min-hee
• Kim Min-jae
• Cha Soo-yeon
• Lee Sun-kyun
• Jo Sung-ha