Sir Charles Spencer "Charlie" Chaplin, KBE (16 April 1889 – 25 December 1977) was an English comic actor, film director and composer best-known for his work during the silent film era. He became one of the most famous film stars in the world before the end of World War I. Chaplin used mime, slapstick and other visual comedy routines, and continued well into the era of the talkies, though his films decreased in frequency from the end of the 1920s. His most famous role was that of The Tramp, which he first played in the Keystone comedy Kid Auto Races at Venice in 1914. From the April 1914 one-reeler Twenty Minutes of Love onwards he was writing and directing most of his films, by 1916 he was also producing them, and from 1918 he was even composing the music for them. With Mary Pickford, Douglas Fairbanks and D. W. Griffith, he co-founded United Artists in 1919.

Charles Spencer Chaplin was born on 16 April 1889, supposedly in East Street, Walworth, London, England. (In 2011, a letter, written to him in the 1970s, came to light, claiming that he had been born in a Gypsy caravan at Black Patch Park in Smethwick, Staffordshire. His parents were entertainers in the music hall tradition; his father, Charles Spencer Chaplin Sr, was a vocalist and an actor while his mother, Hannah Chaplin, was a singer and an actress who went by the stage name Lilly Harley. They separated before Charlie was three. He learned singing from his parents. The 1891 census shows that his mother lived with Charlie and his older half-brother Sydney on Barlow Street, Walworth.

As a child, Chaplin also lived with his mother in various addresses in and around Kennington Road in Lambeth, including 3 Pownall Terrace, Chester Street and 39 Methley Street. His paternal grandmother's mother was from the Smith family of Romanichals, a fact of which he was extremely proud, though he described it in his autobiography as "the skeleton in our family cupboard". Charles Chaplin Sr. was an alcoholic and had little contact with his son, though Chaplin and his half-brother briefly lived with him and his mistress, Louise, at 287 Kennington Road. The half-brothers lived there while their mentally ill mother lived at Cane Hill Asylum at Coulsdon. Chaplin's father's mistress sent the boy to Archbishop Temple's Boys School. His father died of cirrhosis when Charlie was twelve in 1901. As of the 1901 Census, Chaplin resided at 94 Ferndale Road, Lambeth, as part of a troupe of young male dancers, The Eight Lancashire Lads, managed by William Jackson.