Lynne Roberts, also credited as Mary Hart, born Theda May Roberts was an American film actress during the Golden Age of Hollywood. She appeared exclusively in what were referred to as B movies.

The Lone Ranger is a 1938 American Republic Pictures movie serial based on The Lone Ranger radio program. It was the ninth of the sixty-six serials produced by Republic, the fourth Western and the first Republic serial release of 1938. The following year a sequel serial The Lone Ranger Rides Again was released. The fifteen chapters of the serial were condensed into the film Hi-Yo Silver, which was released in 1940.