A Culprit Among Friends Four female friends reunite after 15 years and old resentments resurface. Soon afterwards, one of them is found dead. The police tries to determine whether it was suicide or murder. Details Casts Posters Title A Culprit Among Friends Release Date 2012-10-21 Runtime 01 Hours 13 Minutes Genres Drama Mystery TV Movie Production Companies KBS Media Production Countries South Korea Ko Jung-min... ... Sim Yi-young... ... Shin Dong-mi... ... Min Ji-a... ... Kim Yeong-hoon... ... Park Hyo-bin... ... Jo Woo-ri... ... Go Ju-yeon... ... Choi Woo-shik... ... Choi Deok-moon... ... Lee Sung-min... ... Kim Jong-goo... ... Park Sang-myeon... ... Original Size (500x750)