Howard DuffDr. Stephen Mitchell Philip LeaverProfessor Koepler Michael MedwinDr. Toby Andrews Andrew OsbornDr. Philip Crenshaw Cecile ChevreauVanessa Mitchell Anthony IrelandGeneral Hayes Hugh MoxeyColonel Alfred Daniels Leo PhillipsSergeant Peterson (uncredited) Marianne StoneMrs. Rogers (uncredited) Jean Webster-BroughMrs. Daniels (uncredited) Richard H. LandauScreenplay Robert L. LippertProducer J. Elder WillsArt Direction Reginald H. WyerDirector Of Photography Dick Bonnor-MorrisMakeup Artist Renée GlynneScript Supervisor Jimmy SangsterAssistant Director Ivor SlaneyMusic Director Bill SalterSound Recordist Victor WarkProduction Manager 
