Distribution (16)
Robert PaigeHal Andrews / The Black Falcon
Richard FiskeBart Davis
James CraigJohn Cummings
Lorna GrayBabs McKaySammy McKimBilly McKay
Stanley BrownCharles Bronson
Don BeddoeW. S. Hamilton
Forbes MurrayMarvin Brewster / The ProfessorLee PratherSimmons
Beatrice BlinnBrewster's Secretary
Ann DoranHamilton's Secretary
Dick CurtisKormanEddie LaughtonHall
John TyrrellWilliams
Eddie FetherstonBorden
John DilsonDr. Alexander Craig