Madsen died from cardiac arrest, his manager Ron Smith told NBC News. Cardiac arrest occurs when the heart stops functioning. It can lead to death without immediate treatment, according to Mayo Clinic.

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.

Michael Madsen apparently went into cardiac arrest and was found unresponsive in his home in Malibu, California, on Thursday morning, according to his manager.