Detective Nick Carter is brought in to foil spies at the Radex Airplane Factory, where a new fighter plane is under manufacture.
as Nicholas 'Nick' Carter, aka Robert Chalmers
as Lou Farnsby
as John A. Keller
as Doctor Frankton (as Stanley C. Ridges)
as Bartholomew, the bee man
as Streeter - President of Radex
as Hammil - tall spy boss
as Krebs - 2d hurt worker
as Otto - 3d hurt worker
as Pete Foley - 1st pilot
as Bartholomew's Bee Asst.
as Cliff Parsons - Keller's Pilot & Asst.
as Harbor Patrol Sgt. Denny
as Factory Workman
as Yacht Captain
as Peake the Gardener
as Engel - X-49 Workman
as Ed - 1st Hurt Worker
as Joe - Blueprint Security Officer
as Welder
as Faber - Henchman
as Seaman on Yacht
as Entrance Guard
as Deputy
as Student
as Exit Guard
as Sam Vaughn
as Minor Role
as Police Detective Randall
as Draughtsman
as Hartley
as Streeter's Secretary
as Taxi Driver
as Factory Workman
as Riley - Airplane Workman
as Police Captain
as Keller's Driver
as Police Driver
as Cain - Henchman
as Robinson
as Locker Room Attendant
as Factory Workman
