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