Cast
Philip «Scotty» Grayson
Dr. Toni Neva
Dr. Ritter von Stolb
Igor Braun
Krebs
Dr. Frederick Townsend
Dr. William Forrest
Dr. Homer Allen
Carl Bemish
рассказчик, voice acting
Ivan, not listed in credits
Fred, FBI Chemist, not listed in creditsFBI Agent Potter, not listed in credits 
G.W. Hunter, not listed in credits
FBI Agent Thompson, not listed in creditsFBI chemist, not listed in credits 
FBI Agent Alison, not listed in credits
Feodore, not listed in credits
Police Detective Gaines, not listed in credits
Cop, not listed in credits
Adolph Mizner, not listed in credits
FBI Agent Miller, not listed in credits
Extra at Murder Scene, not listed in creditsа
Mrs. Ecko, Landlady, not listed in creditsа
Mr. North, not listed in credits
Voice on Tape Recorder, not listed in creditsа
FBI Chemist, not listed in credits
Police Sergeant, not listed in creditsPlant Worker, not listed in credits Curly, not listed in credits 
