I Am Sun Mu Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Operating under a pseudonym which means 'no boundaries' - North Korean defector Sun Mu creates political pop art based on his life homeland and hope for a future united Korea. His hidden identity is nearly compromised when a massive historical exhibit in Beijing is shuttered by Chinese and North Korean authorities. 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 : un, il, sung, Kim Il, Kim Jong, Kim Jong .