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.

Actor Michael Madsen, best known for his roles in “Reservoir Dogs” and “Kill Bill: Vol. 2,” has died. He was 67. Madsen died from an apparent cardiac arrest at his Malibu home Thursday morning, his manager, Ron Smith, told MassLive.