Val Kilmer's cause of death was confirmed to be pneumonia, according to "The Heat" star's death certificate. The actor's daughter shared the news of Kilmer's death April 1.

Val Kilmer’s cause of death has been revealed. The beloved actor, who passed away April 1 at 65, died from pneumonia. A death certificate issued by the Los Angeles County Department of Public Health and obtained by TMZ cited pneumonia as the immediate cause, with other underlying medical conditions contributing to his passing.