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’s cause of death has been revealed – less than a week after the Reservoir Dogs star was found unresponsive in his home.  The actor, who also starred in Kill Bill and Once

Michael Madsen’s doctor is confirming the actor’s cause of death, less than a week after the “Reservoir Dogs” star died. He was 67.