Northern Limit Line Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. In this true story from 2002 South Korean patrol boats engaged in a deadly battle with North Korean patrol boats who crossed the maritime border known the Northern Limit Line and attacked. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : ho, ah, woo, soo, hee, yul, woon, hoon, kyoon, Kim Ha, Kim Ji, Jin Goo, Lee Wan, Kim Moo, Song Jae .