Actor Michael Madsen has died after he was found unresponsive early Thursday at his Malibu home, according to authorities and his representatives.

Hollywood is mourning the loss of Michael Madsen after the actor and Quentin Tarantino collaborator died of cardiac arrest.

Virginia Madsen mourned the loss of Michael Madsen, her older brother, who was found dead on July 3 at age 67. "I’ll miss the boy he was before the legend; I miss my big brother," said the actress.