Michael Madsen, who was found unresponsive in his Malibu home on July 3, died from heart failure, with heart disease and alcoholism as contributing factors, his rep said.

Michael Madsen's official cause of death has been confirmed as heart failure, with the actor's cardiologist saying contributing factors include heart disease and alcoholism

Actor Michael Madsen, famed for starring in huge Quentin Tarantino films such as Once Upon a Time in Hollywood, died at the age of 67 and was found at home by cops