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.

Last week, we learned of the tragic death of American actor Michael Madsen, a regular collaborator with Quentin Tarantino on films like Reservoir Dogs and Kill Bill: Volumes 1 & 2. The beloved actor was founded dead at his home on 3 July. He was 67.