<p><br /> Demi Moore and Kevin Spacey led an all-star cast promoting their new movie Margin Call at the Sundance Film Festival.<br /> </p><p><br /> The 49-year-old Mrs. Kutcher sang the praises of independent film in her first outing at Sundance, a festival celebrating films made outside the studio system.<br /> </p><p><br /> The event was set up by actor and director Robert Redford in 1981 as an antidote to the more glitzy Hollywood awards ceremonies.<br /> </p><p><br /> Jeremy Irons and Paul Bettany add British talent to the cast of Margin Call, a thriller set at an investment bank during the early stages of the financial crisis.<br /> </p><p><br /> Margin Call is set for release in the US this October, but it could be a while before it hits UK screens.<br /> </p>
