LONDON — Donald Sutherland, Brenda Blethyn, Judi Dench and Penelope Wilton have joined the cast of Working Title’s upcoming adaptation of the classic Jane Austen novel “Pride and Prejudice.”Sutherland and Blethyn will play Mr. and Mrs. Bennet, the parents of the story’s romantic heroine Elizabeth (Keira Knightley). Dench will take a cameo as the snobbish aristocratic aunt of the hero Mr. Darcy (Matthew Macfadyen). Pic is directed by Joe Wright and will be distributed by Universal. It starts shooting July 19 on location around England. Other cast members include Tom Hollender, Rosamund Pike, Jena Malone and Simon Woods.