Thief is a 1981 American neo-noir heist action thriller film directed and written by Michael Mann in his feature film debut.
Based on the 1975 novel The Home Invaders: Confessions of a Cat Burglar by Frank Hohimer, the film stars James Caan in the title role, a professional safecracker trying to escape his life of crime, and Tuesday Weld as his wife.
The supporting cast includes James Belushi, Robert Prosky, Dennis Farina, and Willie Nelson.
The original musical score was composed and performed by Tangerine Dream, with additional music composed by Craig Safan.