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.

Lane Carson

Carol Richards

The Phantom Ruler

Burton

Harris

"Harry Long"

Warren Madison

Otto Wagner, aka "Frank Martin"

"James Hunter"

"Henry Miller"

Mr. Moore

Kirk - Body-Shop Henchman [Ch.11] (uncredited)

Roadblock Cop [Ch. 1, 7]

Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]

Henchman Sam [Ch. 4-5]

Decoy & Dumptruck Henchman [Ch. 5, 7]

Barn Henchman Stoner [Ch.8]

Doctor [Ch. 12]
May 10, 1950

Lane Carson

Carol Richards

The Phantom Ruler

Burton

Harris

"Harry Long"

Warren Madison

Otto Wagner, aka "Frank Martin"

"James Hunter"

"Henry Miller"

Mr. Moore

Kirk - Body-Shop Henchman [Ch.11] (uncredited)

Roadblock Cop [Ch. 1, 7]

Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]

Henchman Sam [Ch. 4-5]

Decoy & Dumptruck Henchman [Ch. 5, 7]

Barn Henchman Stoner [Ch.8]

Doctor [Ch. 12]
