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.

Michael Madsen, a frequent Quentin Tarantino collaborator on films like "Reservoir Dogs" and a veteran actor in "Free Willy" and more, has died at 67.

Michael Madsen began his acting career in the 1980s, but would rise to prominence as a main character in Quentin Tarantino's movies like Reservoir Dogs, Kill Bill: Vol 1 and 2, The Hateful Eight and more.