CINCINNATI (WKRC) - Val Kilmer, the actor best known for his roles as Iceman in "Top Gun," Batman in "Batman Forever," and Jim Morrison in "The Doors," has had his official cause of death determined. According to a death certificate obtained by TMZ and reviewed by PEOPLE, Kilmer died from pneumonia.

Val Kilmer died from pneumonia, the Los Angeles Department of Public Health has confirmed. The veteran actor died April 1 in L.A. at age 65.

Actor Val Kilmer died Tuesday night in Los Angeles, his daughter Mercedes Kilmer revealed to the New York Times. Here's what we know.