Kang Hye Jung, Ko Sung Hee, Ryu Hwa Young and Park Joo Mi on the Red Carpet at Roaring Currents VIP Premiere - Jul 21, 2014 [PHOTOS] Tags Kang Hye Jung Ko Sung Hee Ryu Hwa Young Park Joo Mi Roaring Currents BY MyraStar Jul 22, 2014 04:10 PM EDT