Idris Elba and Rebecca Ferguson star in Kathryn Bigelow’s gripping new Netflix film, A House of Dynamite, which imagines the urgent response to an unidentified missile launch against the United States. In this conversation with Joe Fryer, the actors reflect on portraying leaders caught in an extraordinary crisis, the film’s haunting realism and Bigelow’s immersive directing style. They also share how the story challenged them to confront questions of trust in leadership and nuclear threat. But above all, they agree the film offers something rare: hope.