The Invisible Monster

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.

Action Science Fiction Crime

Richard Webb

Aline Towne

(Carol Richards)

Stanley Price

(The Phantom Ruler)

Lane Bradford

John Crawford

George Meeker

Edward Keane

(Warren Madison)

Dale Van Sickel

(Otto Wagner, aka "Frank Martin")

Douglas Evans

("James Hunter")

John Hamilton

("Henry Miller")

Roy Gordon

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])