Cast & Crew
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Joel McCreaBarry Corvall - Brenda MarshallBrenda Ballard
- George BancroftDudley "Dud"/"Donald" Garrett
- Jeffrey LynnLowell Warrington
- Stanley RidgesHamilton Peyton
- James StephensonDr. Anton Rader
- Howard C. HickmanWalter Forbes
- Nana BryantMrs. Corvall
- Rudolph AndersPaul Strawn
- Hans Heinrich von TwardowskiDr. Helm
- Addison RichardsBruce Corvall
- Edwin StanleySecretary of State
- William HopperStudent (uncredited)
- Glenn LanganStudent (uncredited)
- Lionel RoyceHoffmeyer (uncredited)
- Henry VictorForeign Official (uncredited)
- Lucien PrivalDecker
- Lloyd IngrahamActor
- Lloyd BaconDirector
- Robert BucknerWriter
- Warren DuffWriter
- Michael FessierWriter