<Li> John Magaro as Colonel Cory Staggart, an Army Ranger and General McMahon's executive officer . </Li> <Li> Aymen Hamdouchi as Captain Badi Basim, a scholarly Afghan National Army officer who becomes General McMahon's aide - de-camp . </Li> <Li> Scoot McNairy as Sean Cullen, a cynical journalist for Rolling Stone who accompanies McMahon and his staff and acts as narrator throughout the film, loosely based on author Michael Hastings . </Li> <Li> Meg Tilly as Jeanie McMahon, McMahon's wife . </Li>

Who is telling the story in war machine