manager Baek Gyeong-min - Tae-seong Jeon Mi-ra Sun Yeong-sun Choi Daniel - cameo Lee Joon-hyuk - cameo Seo Hyun-jin - cameo Im Ji-kyu - cameo Music Cho Seung-woo sang the track to the film's music video. References External links South Korean romantic drama films 2011 films Films about twin brothers 2010s South Korean films