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.
Directed by
Fred C. Brannon
George Meeker
"Harry Long"
John Crawford
Harris
Carey Loftin
Dynamite Henchman Dirk [Ch. 6 bit]
Tom Steele
Henchman Bill 'Mack' Haines [Chapters 5, 10]
Eddie Parker
Barn Henchman Stoner [Ch.8]
Richard Webb
Lane Carson
Lane Bradford
Burton
Roy Gordon
Mr. Moore
Dale Van Sickel
Otto Wagner, aka "Frank Martin"
Aline Towne
Carol Richards
Marshall Reed
Roadblock Cop [Ch. 1, 7]
David Sharpe
Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]