Constance MooreWilma Deering Jackie MoranGeorge 'Buddy' Wade C. Montague ShawProf. Huer William GouldAir Marshal Kragg Karl HackettCouncillor Krenko John HarmonHidden City Air Controller Al BridgeDynamo Room Floor Guard Roy ButlerControl Officer Eddy ChandlerCaptain of Dirigible Lane ChandlerArmy Official at Wade's Lab James ConatyKane Councilman Cyril DelevantiSaturnian Councilman Jack GardnerProf. Huer's Lab Assistant Kenneth HarlanReporter at Wade's Lab Ben LewisCell Guard (uncredited) Theodore LorchKane's Council Member Edmund MortimerMember of War Council Eddie ParkerCouncil-Room Guard Stanley PriceCapt. Martin / Zugg Man David SharpeKane Pilot / Hidden City Sentry / Saturnian Lieutenant Tom SteeleKane Pilot / Hidden City Tech / Balcony Guard Barney A. SareckyProducer Ralph M. DeLacyArt Direction 
