Michael Madsen, whose menacing characters in “Reservoir Dogs” and “Kill Bill” made him a standout in Quentin Tarantino’s films, has died. He was 66.Madsen was found unresponsive in his home in Malibu,

Michael Madsen, best known for his roles in Quentin Tarantino films “Reservoir Dogs," “Kill Bill: Vol. 2," “The Hateful Eight" and “Once Upon a Time in Hollywood," has died.

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.