Michael Madsen's cause of death has been revealed by his management after his shock passing aged 67 on Thursday.

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.