Films:
* The Smallest Show on Earth (1957): A musical comedy where Newley plays the role of a struggling magician.
* The Boy with Green Hair (1948): A powerful anti-war film where he plays a young boy ostracized for having green hair due to the effects of atomic radiation.
* The Day the Earth Stood Still (1951): He appears in a supporting role as a young reporter.
* The Doctor's Dilemma (1959): A British comedy based on the play by George Bernard Shaw.
* Stop the World – I Want to Get Off! (1966): A musical film based on the stage play, featuring Newley as a man who wants to escape the pressures of modern life. He also wrote the music and lyrics for the film.
* Can Heironymus Merkin Ever Forget Mercy Humppe and Find True Love? (1969): A cult classic with a unique premise and soundtrack written by Newley.
* The Poseidon Adventure (1972): Newley plays a passenger on a doomed cruise ship.
* The Last Valley (1971): A historical drama set during the Thirty Years' War.
* The Groove Line (1970): A musical drama about a group of musicians.
* The Apple (1980): A science fiction musical film, directed by Menahem Golan, with Newley as a character called The Devil.
Television:
* ITV Play of the Week (1956-1970): Newley appeared in several episodes of this British anthology series, playing a variety of roles.
* The Ed Sullivan Show (1948-1971): Newley made numerous appearances on this variety show, performing his songs and comedic routines.
* The Hollywood Palace (1964-1970): Newley was a regular guest on this variety show, featuring various performers.
* The Sonny & Cher Comedy Hour (1971-1974): He appeared as a guest star on several episodes.
* The Muppet Show (1976-1981): Newley starred in one of the most memorable episodes, performing "The Candy Man" from "Willy Wonka & the Chocolate Factory."
* The Tonight Show Starring Johnny Carson: Newley appeared as a guest on this popular late-night talk show on numerous occasions.
This is just a sampling of his career. Anthony Newley was a versatile performer who worked across various genres and mediums, leaving a lasting mark on entertainment history.