How old is Christopher Walken? His biography and filmography

Christopher Walken (born Ronald Walken, March 31, 1943) is an American actor. He has appeared in more than 100 films and television programs, including Annie Hall (1977), The Deer Hunter (1978), The Dogs of War (1980), The Dead Zone (1983), A View to a Kill (1985), Batman Returns (1992), True Romance (1993), Pulp Fiction (1994), Antz (1998), Vendetta (1999), Sleepy Hollow (1999), Joe Dirt (2001), Catch Me If You Can (2002), Hairspray (2007), Seven Psychopaths (2012), the first three Prophecy films, The Jungle Book (2016), and Irreplaceable You (2018). He has received a number of awards and nominations, including the Academy Award for Best Supporting Actor for The Deer Hunter.