The March of Time
            (1930)
        
                
            Unfinished pre-Code era film consisting of three sections with past performers from the stage and the vaudeville circuit, then-present-day performers and up-and-coming performers.  Musical excerpts were later used in Broadway to Hollywood (1933), Nertsery Rhymes (1933), and Roast-Beef and Movies (1934). "The Lock Step" was later used in That's Entertainment! III (1994)
        
        
                
            Directed by:
                        Charles Reisner                    
        
                
            Starring:
                        Bing Crosby,                        Marie Dressler,                        Jimmy Durante,                        Trixie Friganza,                        Ann Sothern,                        Ann Dvorak                    
        
                
            Links:
                        Metro-Goldwyn-Mayer,                        IMDb,                        Movie posters,                        Movie stills