Blackhat is a 2015 American action thriller film produced and directed by Michael Mann, written by Morgan Davis Foehl, and starring Chris Hemsworth, Tang Wei, Viola Davis, and Wang Leehom. Hemsworth portrays a convicted hacker offered clemency for helping track down a dangerous cybercriminal. The title refers to the cybersecurity term "black hat," meaning a hacker with malicious intent. The film premiered at the TCL Chinese Theatre in Los Angeles on January 8, 2015, and was released in theaters on January 16, by Universal Pictures.