Virginia Madsen is mourning her famous older brother. Michael Madsen, best known for starring in Quentin Tarantino’s Reservoir Dogs and Kill Bill, was found unresponsive at his home in Malibu on Thursday morning and pronounced dead by paramedics.

Virginia Madsen is mourning the loss of her brother and fellow actor, Michael Madsen. The “Kill Bill” and “Reservoir Dogs” star died at 67 years old from what appeared to be a cardiac arrest, according to his representatives.

Michael Madsen’s family are in mourning after the actor’s shocking death. His younger sister, actress Virginia Madsen, addressed his sudden passing, shortly after the “Donnie Brasco” star was found unresponsive by authorities in his Malibu, Calif., home on Thursday, July 3. Michael was 67.