Cass DaleyHerself / Sadie Silverfish Martha O'DriscollMarjorie Nelson / Marjorie Wyndingham Patric KnowlesEdmund 'Mac' MacLean Percy KilbrideCol. Cornelius Merriweather Basil RathboneSherlock Holmes Ramsay AmesHerself - Dancer Louise AllbrittonCameo Appearance Evelyn AnkersCameo Appearance Jimmy AubreyCameo Appearance Turhan BeyCameo Appearance Lon Chaney Jr.Cameo Appearance Gale SondergaardCameo Appearance Thomas GomezN.G. Wagstaff Andrew TombesHorace L. Gregory Franklin PangbornHotel Clerk Sally De MarcoSally De Marco Tony De MarcoTony De Marco Marion HuttonMarion Hutton Delta Rhythm BoysThe Delta Rhythm Boys Johnny Mack BrownJohnny Mack Brown Traverse CrawfordTraverse Crawford Rene DeKnightRene DeKnight Clinton HollandClinton Holland Bobby BarberBald Man / Director Edgar BarrierStudio Actor (uncredited) George BeattyTheater Manager Brooks BenedictPhotographer Joseph E. BernardCar Owner / Swiss Bellringer Billy BletcherPoliceman (uncredited) Lane ChandlerPoliceman (uncredited) Heinie ConklinKeystone Kop (uncredited) Joseph CrehanMogey (uncredited) Jacqueline DalyaGrown-Up Sandy Jimmy DimeDead End Character Charles DoretyDuck Hunter (uncredited) Bess FlowersNightclub Patron Ben FrommerImpersonator (uncredited) John HamiltonOutraged Director Dorothy JarnacSpecialty Dancer Robert Emmett KeaneAttorney Scatterby Ethelreda LeopoldBlonde Woman Watching Radio Talent Show Robert Locke LorraineDancer Andy MayoPansy the Dancing Horse Florence MayonPansy the Dancing Horse Grace McDonaldGrace McDonald Paul McVeyStudio Executive Edmund MortimerStudio Man Fred NibloStudio Executive William J. O'BrienBald Man Harry PowersWaiter Specialty Gene RothDead End Character Sammy SteinDead End Character Emmett VoganCol. Merriweather's Observer Ray WalkerRadio Host at Drive-in Tiny WardDead End Character Douglas WoodStudio Bidder Duke YorkDead End Character Paula KellyMember - The Modernaires George GrayFireman /Stooge (uncredited) Frederic I. RinaldoScreenplay Russell A. GausmanSet Decoration A.J. GilmoreSet Decoration Harold H. MacArthurArt Direction John B. GoodmanArt Direction Charles Van EngerDirector Of Photography Frank SkinnerOrchestrator Larry RussellOrchestrator Charles PrevinMusic Director 
