Harry L. Lewis (April 1, 1920 – June 9, 2013) was a supporting actor in films and was the founder, along with his wife Marilyn, of the Hamburger Hamlet and Kate Mantilini restaurant chains.

[2] Other small film roles included appearances as Claude Rains's butler in The Unsuspected (1947), Sheriff Clyde Boston in Gun Crazy (1949), the head of a gang of criminals in Blonde Dynamite (1950), and as a gangster in "The Monkey Mystery" episode of Adventures of Superman on television (1951).

He also had a minor role as a slave in Cecil B. Demille's epic The Ten Commandments.

In 1950, Lewis and his then girlfriend Marilyn Friedman,[3] invested US$3,500 (equivalent to $44,300 in 2023) to open the Hamburger Hamlet restaurant at the corner of Sunset Boulevard and Hilldale Avenue on the Sunset Strip in Los Angeles.

Lewis and his wife Marilyn later owned the Beverly Hills restaurant institution Kate Mantilini, which closed in 2014 after operating for 27 years.