Bud AbbottBud Alexander
Lou CostelloLou Francis
Nancy GuildHelen Gray
Arthur FranzTommy Nelson
Adele JergensBoots Marsden
Sheldon LeonardBoots Morgan
William FrawleyDet. Roberts
Gavin MuirDr. Philip Gray
Sam BalterRadio Announcer
John DaheimRocky Hanlon
Charles LamontDirector
Robert LeesScreenplay
Frederic I. RinaldoScreenplay
John GrantScreenplay
Hugh Wedlock Jr.Story
Howard SnyderStory
H.G. WellsStory
Howard ChristieProducer