Michael Madsen's manager previously said, 'What we understand is Michael had a cardiac arrest and was found unresponsive in his Malibu home' on July 3. The 'Kill Bill' actor was 67.

Michael Madsen, who was found unresponsive in his Malibu home on July 3, died from heart failure, with heart disease and alcoholism as contributing factors, his rep said.

Actor Michael Madsen died from heart failure, his cardiologist has confirmed. The Reservoir Dogs star's doctor told NBC4 Los Angeles that heart disease and alcoholism will be named as contributing factors on the death certificate.