Proof Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Catherine is a woman in her late twenties who is strongly devoted to her father Robert a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness Catherine begins to wonder if she may have inherited her father's mental illness along with his mathematical genius. 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 : John Keefe, Lolly Susi, Hope Davis, Roshan Seth, Chipo Chung, Gary Houston, Anne Wittman, Colin Stinton, Leland Burnett, Danny McCarthy, C Gerod Harris, Anthony Hopkins, Jake Gyllenhaal, Leigh Zimmerman, Gwyneth Paltrow .