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.

Less than a week after acclaimed actor Michael Madsen was found dead in his Malibu home, an official cause of death has been revealed. Madsen passed away at 67 from heart failure, his cardiologist told NBC Los Angeles.

The Reservoir Dogs actor was found dead at his home in Malibu, California last week, and his cardiologist has now confirmed the cause of death. The doctor told NBC4 Los Angeles that heart failure will be listed as the cause,