Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.
Richard Webb
Lane Carson
Aline Towne
Carol Richards
Stanley Price
The Phantom Ruler
Lane Bradford
Burton
John Crawford
Harris
George Meeker
"Harry Long"
Edward Keane
Warren Madison
Dale Van Sickel
Otto Wagner, aka "Frank Martin"
Douglas Evans
"James Hunter"
John Hamilton
"Henry Miller"
Roy Gordon
Mr. Moore
Harold Goodwin
Kirk - Body-Shop Henchman [Ch.11] (uncredited)
Marshall Reed
Roadblock Cop [Ch. 1, 7]
David Sharpe
Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]
George Magrill
Henchman Sam [Ch. 4-5]
Guy Teague
Decoy & Dumptruck Henchman [Ch. 5, 7]
Tom Steele
Henchman Bill 'Mack' Haines [Chapters 5, 10]
Eddie Parker
Barn Henchman Stoner [Ch.8]
Keith Richards
Doctor [Ch. 12]
Duke Taylor
Second Roadblock Cop [Ch. 1 bit]
Mark Strong
Bank Watchman [Ch.1 bit]
Bert LeBaron
Crooked Watchman [Ch. 2 bit]
Frank O'Connor
Chemical Truck Cop [Ch. 5 bit]
Forrest Burns
Watchman Joe [Ch. 5 bit]
Carey Loftin
Dynamite Henchman Dirk [Ch. 6 bit]
Tom Monroe
Cave Policeman [Ch. 7 bit]
Howard M. Mitchell
Second Garage Watchman [Ch. 7 bit]
Charles Sullivan
Squadcar Cop [Ch. 7 bit]
George Volk
Second Armored Car Guard [Ch. 11 bit]
Fred C. Brannon
Director
Franklin Adreon
Producer
Feb 28, 1992
Dec 28, 1919
Aug 18, 1916
May 22, 1916
Apr 6, 1936
Mar 15, 1940
Oct 13, 1941
Sep 10, 1920
Jan 17, 2025
Jul 16, 1943
Oct 5, 2023
Apr 30, 1989
Jan 16, 1966
Feb 11, 2022
Oct 17, 1999
Nov 15, 2009
Republic Pictures
US
United States
English