Threshold. Word Search Puzzle Solver. Threshold word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Celebrated heart surgeon Thomas Vrain supports the research of an offbeat scientist who has invented an artificial heart. Against the advice of the Ethics Committee Dr. Vrain decides to perform the first artificial heart transplant. This includes identifying and searching for words that are related to : Samantha Langevin, Barbara Gordon, Stuart Gillard, Lally Cadeau, Drama, Science Fiction, Jeff Goldblum, Sharon Acker, Casey Stevens, Richard Blackburn, Donald Sutherland, Robert Joy, Kate Trotter, Michael C Gwynne, Mare Winningham .