Obsazení a štáb Dangerous Secrets
Paul LukasProf. Paul Bernardy Linden TraversHelen Norwood Bernardy Fewlass LlewellynDirector of Steel Company Peter GawthorneChairman of Steel Company Christine LindsayBit Part Charles Lloyd PackBernardy's Assistant (uncredited) John RaeDirector of Steel Company (uncredited) Ben WilliamsMan Serving in Snack Bar (uncredited) Edmond T. GrévilleRežisér 
