Kadro (34)
Carla BalendaJanet Keller
Elliott ReidMatt Corbin
Edgar BarrierDr. Edward Keller
Raymond BurrSteve Loomis
Otto WaldisDr. Wilhelm Bucholtz
Michael SteeleChick
Lurene TuttleMolly Loomis
Peter BroccoNate Garr
Lewis MartinPeterson
Frank DarienLuther Adams
Olive CareyMabel Turner
George BarrowsFederal Agent (uncredited)
Stanley BlystoneGuard on Pier (uncredited)
Eddie BordenMedical Experiment Patient (uncredited)George BruggemanFederal Agent (uncredited)
William ChalleeGuard (uncredited)
George ChandlerJed (uncredited)
G. Pat CollinsNelson - Gate Guard (uncredited)Tom DalyGerm Experiment Victim (uncredited)
Don DillawayFBI Agent McIntyre (uncredited)Art DupuisSpeedboat Pilot (uncredited)Douglas EvansCarstairs (uncredited)Elizabeth FlournoySecretary (uncredited)
Robert FoulkGuard (uncredited)
Gregory GayeSweitart (uncredited)
Milton KibbeeProduce Company Proprietor (uncredited)
Mathew McCueMedical Experiment Patient (uncredited)Lee MillerFederal Agent (uncredited)
Billy NelsonEd (uncredited)Jamesson ShadeSheriff (uncredited)Brick SullivanFederal Agent (uncredited)Bob ThomFederal Agent (uncredited)
Frank WilcoxBradford (uncredited)William Yetter Sr.German Pier Guard (uncredited)