Actor Michael Madsen has died after he was found unresponsive early Thursday at his Malibu home, according to authorities and his representatives.

Michael Madsen, the 'Reservoir Dogs' actor who worked often with Quentin Tarantino, died at his Malibu home of cardiac arrest, a representative says. He was 67.

Actor Michael Madsen, a stoic actor who worked with Quentin Tarantino among other directors in various acclaimed films from the 1980s onward, has died, according to his publicist Liz Rodriguez. He was 67.