My Old Duchess

My Old Duchess is a 1934 British comedy film directed by Lupino Lane and starring George Lacy, Betty Ann Davies and Dennis Hoey. The film was made at Elstree Studios. It was based on an original sketch by Fred Karno. The screenplay concerns a stage manager who disguises himself as a duchess.
The film is also known as Oh, What a Duchess!, the title under which it has been released on DVD.
Plot summary.
In an effort to impress a film producer, a stage manager disguises himself as a duchess.