Penultimate film of Lee Man-hee-I, "A Triangular Trap" was the third remake of his first success from 1962, "Call 112", and a rather extreme title, filled with violence and exploitation elements, A Triangular Trap, Baek Il-seob, Ju Il-mong, Kim Gi-jong, Lee Man-hee-I, Moon Sook, Oh Ji-myung, Yu Jang-hyeon