Cast
Det. Sgt. Pat Flanagan
Nazi Prof. Metzger
Quito
Chief Henchman Berck
Police Chief Burns
Desk Sgt. CullenInvestigator Hogan [Chs.6-9, 11-15] 
Investigator Ryan
Maj. Henry BartonF. Wolper [Chs.1, 4, 8, 10, 11, 14] 
Marvin [Chs.1-3, 5-6]
Chief Stover [Ch.1]Police Commissioner [Ch.1] Mr. Stevens [Ch.1] 
Prof. Clyde [Chs.1, 4]Fred, Jensen's Clerk [Chs.2, 4] Lt. Kurtz [Chs.3-4] 
Col. Drake [Chs.3-5]
Hans Steufel
U-499 Commander [Chs.4, 15]Flower Woman Spy 
Henchman Carl Hiecke [Ch. 9]
Henchman Corrick [Ch.10]Ralph [Ch.15] Code Lessons Police Dispatcher [Ch.1, 15] The Military Policeman [Ch.10], not listed in credits 
Police Lab Technician, not listed in creditsMessenger, not listed in credits Newscaster [Ch.6], not listed in credits 
Nazi Agent, not listed in credits
Police Chief Henry Burns, not listed in credits
Weather Bureau Man, not listed in credits
Federal Agent, not listed in credits
First Mate, not listed in credits
Henchman, not listed in creditsHenchman, not listed in credits Coffee Shop Counterman [Ch.12], not listed in credits 
Weather Bureau Man, not listed in credits
Weather Bureau Guard, not listed in creditsрассказчик, not listed in credits 
Nazi Agent, not listed in credits
Military Policeman, not listed in credits
Reporter Bill [Ch.1], not listed in credits
Military Policeman, not listed in credits
Policeman, not listed in credits
Jailer [Ch.1], not listed in credits
Special Delivery Messenger [Ch.7], not listed in creditsPoliceman, not listed in credits 
Federal Agent, not listed in creditsNewsboy [Ch.1], not listed in credits 
Henchman, not listed in credits
Truck Driver [Ch.13], not listed in credits
Policeman, not listed in creditsHenchman Kurt, not listed in credits Henchman, not listed in credits 
