The actor, who was best known for his frequent collaborations with director Quentin Tarantino, sadly passed away on July 3, aged 67.

Michael Madsen, whose menacing characters in “Reservoir Dogs” and “Kill Bill” made him a standout in Quentin Tarantino’s films, has died. He was 67.

Michael Madsen ’s cardiologist has announced that the Reservoir Dogs star died from heart failure. The actor was found dead at his home July 3. He was 67. His doctor told NBC Los Angeles that his official cause of death will be listed as heart failure, with heart disease and alcoholism named as contributing factors.