Multiple actors that star in The Comedian are American.
Charles Grodin ( born April 21 , 1935 ) is an American actor , comedian , author , and former cable talk show host . Daniel Michael DeVito , Jr. ( born November 17 , 1944 ) is an American actor , comedian , director and producer . Harvey Keitel ( [ kaɪˈtɛl ] ; born May 13 , 1939 ) is an American actor and producer . Robert Anthony De Niro ( [ dəˈnɪroʊ ] born August 17 , 1943 ) is an American actor , producer and director . The Comedian (2016 film) . The film stars Robert De Niro , Leslie Mann , Danny DeVito , Edie Falco , Veronica Ferres , Charles Grodin , Cloris Leachman , Patti LuPone and Harvey Keitel .