The song 'This Is My Song' was a UK number one hit for Petula Clark in 1967. It was written by which silent film star?

"This is My Song" was intended for the film, A Countess from Hong Kong, which Charlie Chaplin wrote and directed. Chaplin saw his film as a throwback to the shipboard romances which were popular in the 1930s and wrote "This Is My Song" with the intent of evoking that era. Chaplin was determined to have Al Jolson sing the song - so determined that he only accepted the information that Jolson had died 23 October 1950 when shown a photograph of Jolson's tombstone. Ultimately, the song would be featured in the film only as an instrumental.

After being disillusioned with regard to Jolson, Chaplin considered having "This Is My Song" recorded by Petula Clark who had a home in Switzerland near his residence. Clark had assumed her recording of "This Is My Song" with the original quaint Chaplin lyrics would only be used as an album track; on learning of Pye Records plan to release the track as a single she attempted to block its release. Instead, she found herself atop the UK Singles Chart for the first time in six years when "This Is My Song" reached No. 1 on the chart dated 16 February 1967, a position it retained the next week. Certified Silver for sales of 250,000, the total sales of "This Is My Song" in the UK would exceed 500,000.