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, bin, tae, jin, hwi, hee, gyu, tae, san, wook, sang, nyeo, yeon, chul, sook .