Lewis Sargent was born in Los Angeles August 19, 1903. He had 8 brothers and sisters. His father Lewis was a carpenter, and his older bother, Don Sargent, was a Cinematographer in Hollywood for over 40 years. He was an early friend of James Wong Howe. Lewis' ancestor, William Sargent, came to America at Agawam, Massachusetts with Captain Smith in 1614. Lewis W. Sargent was the third child of Lewis and Elsa Plath Sargent. He was a child actor in the early days of motion pictures, beginning with Aladdin and the Wonderful Lamp (1917) in 1917, until 1935 when he played Tarzan's side-kick in a series produced by Edgar Rice Burroughs. He played the title role in Huckleberry Finn (1920) in 1920, shared the lead with a dog in The Call of the Wilderness (1926) and played supporting roles in Oliver Twist (1922) and several other films though 1929.
After his acting years, Lewis worked as a California State Probabtion Officer for 20 years, and spent much of his retirement time fishing and creating fishing lures. Lewis died November 19, 1970 while a patient at the Hollywood West Hospital and was buried at Valhalla Memorial Park.