Actor Michael Madsen died from heart failure, his cardiologist has confirmed. The Reservoir Dogs star's doctor told NBC4 Los Angeles that heart disease and alcoholism will be named as contributing factors on the death certificate.

Michael Madsen died Thursday from cardiac arrest at 67. The prolific actor starred in "Reservoir Dogs," "Kill Bill," "Thelma & Louise" and more.

Michael Madsen, the gravel-voiced actor best known for his roles in Quentin Tarantino films like “Reservoir Dogs” and “Kill Bill,” has died. He was 67.