Pulse is an American film released on August 11, 2006, based on the 2001 Japanese horror film Kairo directed by Kiyoshi Kurosawa. It stars Kristen Bell, Ian Somerhalder, and Christina Milian. The Weinstein Company distributed the film in the United States through its Dimension Films label. Neo Art & Logic produced the film and Jim Sonzero directed the script written by Wes Craven and Ray Wright. The film's release date was originally March 3rd, but was ultimately moved to August 11.