Helen Mirren has played a long list of real people, but her role as writer Patricia Highsmith in A Talent For Murder may have been her most challenging yet. The Oscar winner told The Hollywood Reporter on Sunday that portraying The Talented Mr. Ripley author in Anton Corbijn’s upcoming thriller was particularly “difficult” because of their distinct dissimilarities. “I would say Patricia might be one of them, honestly, because she is so different from how I am,” said at The Hollywood Reporter’s Studio at 1 Hotel during TIFF, presented by sponsor Canada Goose. “I could sort of identify with Her Majesty, the Queen, to a certain extent. [Prime…