Michael Madsen apparently went into cardiac arrest and was found unresponsive in his home in Malibu, California, on Thursday morning, according to his manager.

Michael Madsen, the actor best known for his reserved but imposing roles in Quentin Tarantino films, died Thursday at age 67. Madsen died from cardiac arrest at his home in Malibu, Calif., according to KNBC. He was found unresponsive in the home Thursday morning.

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.