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