Twister is a 1996 American disaster film directed by Jan de Bont, and written by Michael Crichton and Anne-Marie Martin. It was produced by Crichton, Kathleen Kennedy, and Ian Bryce, with Steven Spielberg, Walter Parkes, Laurie MacDonald, and Gerald R. Molen serving as executive producers. The film stars an ensemble cast that includes Helen Hunt, Bill Paxton, Jami Gertz, and Cary Elwes. It follows a group of storm chasers trying to deploy a tornado research device during a severe outbreak in Oklahoma.