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