Atonement: Keira Knightley's Green Dress Clothes on film Keira Knightleys green dress in Atonement , To assemble the wardrobe of the characters, director Joe Wright called on Jacqueline Durran with whom he had worked on the mythical film, Pride and A dress so iconic the original went missing! , Keira Knightleys emerald silk gown in Atonement wasnt just the green dress it was the moment. Custom dyed, cut on the bias, and so delicate it tore Sunday Best: 'Atonement's' gossamer green gown The Seattle Times Costume Designer Jacqueline Durran On Feminism, MI6, and Atonement Marie Claire UK