Lt. Dan Barton / The Black Commando
Jean Ashley
Jensen
Rudi Thysson (as Robert O. Davis)
Det. Sgt. Pat Flanagan
Nazi Agent Feldon (as Gregory Gay)
Nazi Prof. Metzger (as Louis Donath)
Quito
Chief Henchman Berck
Police Chief Burns
Desk Sgt. Cullen
Investigator Hogan [Chs.6-9,11-15]
Investigator Ryan
Maj. Henry Barton
Linda - Nazi HQ Radio Receptionist[Chs.1,3,5,12-15]
F. 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] (as Sigurd Tor)
Col. Drake [Chs.3-5]
Hans Steufel
U-499 Commander [Chs.4,15]
Flower Woman Spy
Otto H. Stahl [Chs.6-8]
Henchman Carl Hiecke [Ch. 9]
Henchman Corrick [Ch.10]
Ralph [Ch.15]
Code Lessons
The Military Policeman [Ch.10] (uncredited)
Police Lab Technician (uncredited)
Messenger (uncredited)
Newscaster [Ch.6] (uncredited)
Nazi Agent (uncredited)
Police Chief Henry Burns (uncredited)
Weather Bureau Man (uncredited)
Federal Agent (uncredited)
First Mate (uncredited)
Henchman (uncredited)
Coffee Shop Counterman [Ch.12] (uncredited)
Weather Bureau Guard (uncredited)
Narrator (uncredited)
Military Policeman (uncredited)
Reporter Bill [Ch.1] (uncredited)
Policeman (uncredited)
Jailer [Ch.1] (uncredited)
Special Delivery Messenger [Ch.7] (uncredited)
Police Dispatcher [Ch.1.15] (uncredited)
Newsboy [Ch.1] (uncredited)
Truck Driver [Ch.13] (uncredited)
Henchman Kurt (uncredited)