King was born in New York City on October 31, 1886 to Thomas and Ellen King, both of whom were born in Ireland and had immigrated to the U.S. in 1883. Eleven children would be born to them, but only three were living by 1900: Charles, Nellie and Mary. Under the name of
Mollie King, Mary would eventually pursue a film career between 1916 and 1924. By 1908, King had begun acting on the Broadway stage; his first known role came in the revue
The Mimic World. In the 1910s his most frequent partner was
Elizabeth Brice with whom he appeared in
The Slim Princess,
A Winsome Widow,
Watch Your Step and
Miss 1917. King continued to appear in many major Broadway successes during the 1920s, including ''
George White's Scandals (1921 edition), Little Nellie Kelly, Keep Kool, Hit the Deck
and Present Arms'', before turning his attention to Hollywood and the nascent genre of film musicals. == Film career ==