12 Strong is a 2018 American action-war film directed by Nicolai Fuglsig and written by Ted Tally and Peter Craig. The film is based on Doug Stanton's non-fiction book Horse Soldiers, which tells the story of U.S. Army Special Forces sent to Afghanistan immediately after the September 11 attacks and up to the fall of Mazar-i-Sharif. The film stars Chris Hemsworth, Michael Shannon, Michael Peña, Navid Negahban, Trevante Rhodes, Geoff Stults, Thad Luckinbill, Ben O'Toole, William Fichtner, and Rob Riggle.