In 1949 , he co-starred on the short - lived live television sitcom The Hartmans .
Stone made his motion picture debut in the Alan Ladd film noir classic The Blue Dahlia ( 1946 ) .
In 1949 , Stone co-starred on the short - lived live television sitcom The Hartmans .
Stone made his motion picture debut in the Alan Ladd film noir classic The Blue Dahlia ( 1946 ) .