Michael Madsen apparently went into cardiac arrest and was found unresponsive in his home in Malibu, California, on Thursday morning, according to his manager.

Michael Madsen died July 3 at 67. The prolific actor was known for Tarantino's 'Reservoir Dogs,' 'Kill Bill' and others and also co-starred in 'Donnie Brasco'

LOS ANGELES (AP) — 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.