Films:
* The Deer Hunter (1978): This critically acclaimed film won five Oscars, including Best Picture and Best Director, and solidified Walken's status as a talented actor. He played Nick, a young man whose life is irrevocably changed by the Vietnam War.
* Pennies from Heaven (1981): Walken earned an Oscar nomination for Best Supporting Actor for his role as Arthur, a charming but manipulative con man in this musical fantasy film.
* The Dead Zone (1983): Walken played Johnny Smith, a man who awakens from a coma with psychic abilities, in this suspenseful film based on the novel by Stephen King.
* A View to a Kill (1985): This Bond film featured Walken as Max Zorin, a ruthless businessman intent on destroying Silicon Valley.
* At Close Range (1986): Walken starred as Brad Whitewood, a charismatic but dangerous criminal, in this crime drama film.
* The King of New York (1990): Walken played Frank White, a drug kingpin, in this violent and stylish crime film.
* Batman Returns (1992): This Tim Burton-directed sequel cast Walken as Max Shreck, a mysterious businessman with an unsettling connection to Gotham City.
* Pulp Fiction (1994): Walken played the memorable role of Captain Koons, a mysterious figure with a penchant for unusual gifts.
* The English Patient (1996): Walken played Hana's former lover, Kip, in this Oscar-winning romantic drama film.
* Sleepy Hollow (1999): This Tim Burton adaptation of the classic story cast Walken as the Headless Horseman.
* Catch Me If You Can (2002): Walken portrayed Frank Abagnale Sr., a con man who unwittingly inspired his son's own life of fraud.
* Hairspray (2007): Walken played Wilbur Turnblad, the lovable father of Tracy Turnblad, in this musical comedy.
* Seven Psychopaths (2012): Walken starred as Harlan, a quirky screenwriter who gets caught up in the world of dog-napping.
* The Jungle Book (2016): Walken voiced King Louie in this animated film, based on Rudyard Kipling's classic story.
* Click (2006): Walken played Mort, a mysterious character who grants Michael Newman a remote control to fast-forward through his life.
Television:
* The Sopranos (2000-2007): Walken had a recurring role as Russell "Rusty" Millio, a mob boss with a connection to Tony Soprano.
* The Commish (1991-1995): He guest-starred in an episode of the police drama series.
* The Simpsons (1989-present): Walken has guest-starred in a number of episodes as different characters.
* 30 Rock (2006-2013): He made a memorable guest appearance on the sitcom, playing a fictionalized version of himself.
This is just a sampling of Ken Walken's extensive and impressive filmography. He has consistently brought his unique charisma and talent to a wide range of roles, making him one of the most celebrated and beloved actors of his generation.