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An FBI agent goes undercover to investigate the sabotage of American cargo ships.
as Joseph Cummins
as FBI Director Sinclair
as Rucca
as Hugo Stregel
as Mitchell (uncredited)
as FBI Chemist (uncredited)
as Vic, Stregel's Thug (uncredited)
as Pelly, Stregel's Henchman (uncredited)
as Gruning, Stregel's Henchman (uncredited)