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