Here is how the Michael Madsen and Quentin Tarantino collaborations rank against each other.

The cause of Michael Madsen’s death has been revealed. His personal cardiologist has shared that the legendary actor died from heart failure. He was 67. His doctor confirmed that heart failure will be listed as his cause of death, with heart disease and alcoholism also being contributing factors, according to NBCLA.

Michael Madsen was a frequent collaborator of Quentin Tarantino, who cast him in one of his most iconic roles, Mr. Blonde (also known as Vic Vega).

Michael Madsen, a prolific character actor best known for his frequent appearances in Quentin Tarantino films, died Thursday morning. The cause of death, his manager said (per NBC News), was cardiac arrest. He was 67.

A prolific actor who appeared in more than 300 movies and TV shows, he brought a chilling intensity to Quentin Tarantino’s “Reservoir Dogs” and “Kill Bill.”

Michael Madsen, who was in several Quentin Tarantino films such as Reservoir Dogs, died aged 67 after he was found unresponsive at his home in Malibu, California

Michael Madsen is dead at the age of 67 from cardiac arrest, IndieWire has confirmed. The prolific character was best known for his decades-spanning collaborations with Quentin Tarantino, appearing in the director's "Reservoir Dogs," "Kill Bill," and "Once Upon a Time in Hollywood."

Virginia Madsen is remembering her late brother and fellow actor, Michael Madsen, who died on Thursday at age 67 from cardiac arrest. The prolific actor was best known for his tough guy roles in Quentin Tarantino's Reservoir Dogs and Kill Bill series.