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, a tough guy character actor and frequent Quentin Tarantino collaborator, has died at the age of 67.

Michael Madsen, who starred in “Reservoir Dogs” and “Once Upon a Time in Hollywood,” among other hit films, has died. He was 67. The actor’s death was confirmed Thursday by his manager, Ron Smith. The cause was reportedly cardiac arrest.