This 1988 photo shows actor Leslie Nielsen as Lt. Frank Drebin in the movie "The Naked Gun: From the Files of Police Squad!" The Canadian-born Nielsen, who went from drama to inspired bumbling as a hapless doctor in "Airplane!" and the accident-prone detective Frank Drebin in "The Naked Gun" comedies, has died. His agent John S. Kelly said the actor died Sunday, Nov. 28, 2010, at a hospital near his home in Florida where he was being treated for pneumonia. He was 84.