The Invisible Monster
Cast
Howard M. Mitchell
Second Garage Watchman [Ch. 7 bit]
Aline Towne
Carol Richards
Stanley Price
The Phantom Ruler
Douglas Evans
"James Hunter"
John Hamilton
"Henry Miller"
Harold Goodwin
Kirk - Body-Shop Henchman [Ch.11] (uncredited)
David Sharpe
Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]
Guy Teague
Decoy & Dumptruck Henchman [Ch. 5, 7]
Eddie Parker
Barn Henchman Stoner [Ch.8]
Carey Loftin
Dynamite Henchman Dirk [Ch. 6 bit]
John Crawford
Harris
George Meeker
"Harry Long"
Richard Webb
Lane Carson
Marshall Reed
Roadblock Cop [Ch. 1, 7]
Keith Richards
Doctor [Ch. 12]
Edward Keane
Warren Madison
Frank O'Connor
Chemical Truck Cop [Ch. 5 bit]
Lane Bradford
Burton
Dale Van Sickel
Otto Wagner, aka "Frank Martin"
Roy Gordon
Mr. Moore
George Magrill
Henchman Sam [Ch. 4-5]
Charles Sullivan
Squadcar Cop [Ch. 7 bit]