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.

A cause of death has been revealed for famed character actor Michael Madsen, who passed away on July 3 at the age of 67. His cardiologist said he died from heart failure, according to KNBC in Los Angeles. Heart disease and alcoholism were named as contributing factors.