<p><br /> Hollywood star Channing Tatum has been speaking of his respect for the servicemen and women around the world.<br /> </p><p><br /> The G.I. Joe actor stepped out in London on Tuesday night to promote his new film Dear John, the story of a soldier who can only communicate with his lover through letters when he is posted to Afghanistan.<br /> </p><p><br /> "I met so many soldiers who are over there and they have to go months and months without their loved ones and they're under a lot of stress and in dangerous situations," Tatum said.<br /> </p><p><br /> He added: "It's insane what they do, and I respect it so much."<br /> </p><p><br /> The 29-year-old was joined on the red carpet in Kensington by his co-star, Mamma Mia actress Amanda Seyfried who revealed the film is a real tearjearker.<br /> </p><p><br /> "Listen, if you don't cry, especially at the time he's in hospital, there's something wrong with you," she said.<br /> </p><p><br /> Dear John knocked Avatar of top spot in the US Box Office exceeding expectations for what is a relatively low budget film.<br /> </p><p><br /> The movie is adapted from a novel by acclaimed best-selling author Nicholas Sparks, the man behind The Notebook. Dear John is released in the UK on Wednesday, 14 April.<br /> </p>
