Alien Invasion: S.U.M.1 Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. An aggressive race of aliens took over Planet Earth and humanity's at its end living in giant bunkers below ground. Young Military rookie S.U.M.1 (Iwan Rheon) is sent to the surface to save a group of unprotected survivors. 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 : Iwan Rheon, Tim Williams, Rainer Werner, Norman Reedus, André Hennicke, Gökdeniz A Özcetin .