Denis Leary is a writer.
Denis Colin Leary ( born August 18 , 1957 ) is an American actor , writer , producer , singer and comedian . Rescue Me (U.S. TV series) . Rescue Me was created by Denis Leary and Peter Tolan , who also serve as executive producers and head writers , and is produced by Cloudland Company , Apostle , DreamWorks Television , and Sony Pictures Television .