“Kill Bill” and “Reservoir Dogs” star Michael Madsen’s death has been revealed. The actor’s cardiologist told NBC4 Los Angeles Tuesday that Madsen died of heart failure after being found unresponsive in his Malibu, California, home on July 3. He was 67.

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.

Authorities in Los Angeles have confirmed the cause of actor Michael Madsen’s death: heart failure. Madsen’s doctor told a local NBC affiliate that apart from his official cause of death, heart disease and alcoholism will be named as contributing factors on his death certificate.