The Batman › Cast › Cause of death
Adam West
Leukemia
Frank Gorshin
lung cancer, emphysema and pneumonia
Joe Lala
lung cancer
Fred Willard
cardiac arrest
Glenn Shadix
head injury from fall
Billie Hayes
natural causes
Michael Massee
cancer
Charles Napier (actor)
blood clots
Henry Gibson
Ian Abercrombie
kidney failure
Kevin Conroy
intestinal cancer
Miguel Ferrer
Throat cancer