Luck-Key Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. A reverse comedy that tells the story of a perfectionist assassin who falls and hits his head in a sauna giving him amnesia. When a down-and-out actor switches locker keys with him they switch lives until the hit-man who soon becomes an action hero on TV starts to remember things. 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 : sep, jin, tae, gyu, san, hee, tae, bin, hwi, nyeo, yeon, sook, chul, wook, sang .