Michael Madsen, whose menacing characters in Reservoir Dogs and Kill Bill made him a standout in Quentin Tarantino's films, has died. He was 67.

Michael Madsen, the American actor best known for his collaborations with Quentin Tarantino, has died at the age of 67. The Los Angeles County Sheriff’s Department confirmed on Thursday evening that Michael had been found unresponsive at his home in California earlier that day, and was subsequently pronounced dead.

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.