Non-Stop is a 2014 mystery action thriller film directed by Jaume Collet-Serra, co-produced by Joel Silver, and starring Liam Neeson and Julianne Moore. It follows an alcoholic ex-NYPD officer turned Federal Air Marshal who must find the killer on an international flight from New York to London after receiving texts saying someone on board will die every 20 minutes until financial demands are met. The film marks the second collaboration between Collet-Serra and Neeson after Unknown (2011).