Madsen's doctor said heart failure will be listed as the cause of death, with heart disease and alcoholism named as contributing factors.

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.

Doctors have determined the cause of death for actor Michael Madsen, who was found unresponsive last week. Madsen’s cardiologist told KNBC that his patient died from heart failure. The actor’s manager told Entertainment Weekly that the doctor’s declaration was accurate and that heart disease and alcoholism were listed as contributing factors.