cast
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Paul Kelly
Lt. Dan Barton / The Black Commando
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Anne Nagel
Jean Ashley
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Trevor Bardette
Jensen
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Rudolph Anders
Rudi Thysson
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Clancy Cooper
Det. Sgt. Pat Flanagan
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Gregory Gaye
Nazi Agent Feldon
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Ludwig Donath
Nazi Prof. Metzger
- Beal Wong Quito
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Eddie Parker
Chief Henchman Berck
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Wade Boteler
Police Chief Burns
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Charles C. Wilson
Desk Sgt. Cullen
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Alex Callam
Investigator Hogan
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Robert Fiske
Investigator Ryan
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Selmer Jackson
Maj. Henry Barton
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Jacqueline Dalya
Linda
- Jack Gardner F. Wolper
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Kenne Duncan
Marvin
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George Lynn
Chief Stover
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Frank Shannon
Police Commissioner
- Gus Glassmire Mr. Stevens
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John Elliott
Prof. Clyde
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Jack Rice
Fred, Jensen's Clerk
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Sigfrid Tor
Lt. Kurtz
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Joseph W. Girard
Col. Drake
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Dick Botiller
Hans Steufel
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Lucien Prival
U-499 Commander
- Rose Plumer Flower Woman Spy
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Lester Dorr
Otto Stahl
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Peter Leeds
Henchman Carl Hiecke
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Kit Guard
Henchman Corrick
- Warren Jackson Ralph
- Henry Lysing Code Lessons
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Lee Shumway
Police Dispatcher
- Roy Brent The Military Policeman
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Stanley Brown
Police Lab Technician
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Joe Caits
Messenger
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Ken Carpenter
Newscaster
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Steve Clark
Nazi Agent
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Joseph Crehan
Police Chief Henry Burns
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Eddie Dunn
Weather Bureau Man
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Franklyn Farnum
Federal Agent
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Eddie Gribbon
First Mate
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Chuck Hamilton
Henchman
- Jack Hendricks Henchman
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Eddie Kane
Coffee Shop Counterman
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Frank LaRue
Weather Bureau Man
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Tom London
Weather Bureau Guard
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Knox Manning
Narrator
- Ted Mapes Nazi Agent
- Frank McCarroll Military Policeman
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James Millican
Reporter Bill
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Zon Murray
Military Policeman
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Edward Peil Sr.
Policeman
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Lee Phelps
Jailer
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Eddie Polo
Special Delivery Messenger
- Dick Rush Policeman
- Tom Steele Federal Agent
- Bobby Stone Newsboy
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Harry Strang
Henchman
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Charles Sullivan
Truck Driver
- Wally West Policeman
- Eddie Woods Henchman Kurt
- Bert Young Henchman