Jamie Dornan has reportedly been cast as the new Diet Coke hunk credit:Bang ShowbizJamie Dornan has reportedly been cast as the new Diet Coke hunk. Insiders told The Sun Jamie has already filmed his advert campaign at an outdoor pool in London, with one source telling the newspaper: “Jamie shot a huge campaign for Diet Coke just recently at a lido in South London. “This is going to be absolutely massive and Coca-Cola has thrown a lot of money at it. “Jamie’s deal is worth millions and they think it’s going to pay dividends with giving fans a bit of nostalgia. A 2014 interview with Jamie for The Guardian noted he ordered a full-fat Coke with his meal.