LOS ANGELES — Michael Madsen, the actor best known for his coolly menacing, steely-eyed, often sadistic characters in the films of Quentin Tarantino including Reservoir Dogs and Kill Bill: Vol. 2, has died.

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.

Hollywood actor Michael Madsen died in his California home on Thursday morning, US media reported. He was 67. He was found unresponsive by authorities responding to a 911 call at his Malibu home and pronounced dead at 08:25 local time (15:25 GMT), according to The Hollywood Reporter.