Courtesy of Photofest Guess he couldn't feel it in The Force. Mark Hamill told Entertainment Tonight in a recent interview that he had no clue his Star Wars co-stars Harrison Ford and Carrie Fisher were having an affair while the trio was shooting A New Hope in England back in 1976. Fisher broke the news of the real-life Han and Leia romance in her new book, The Princess Diarist, in which she said the pair had multiple "sleepovers" despite the fact that Ford was married at the time.