Federal Agents vs. Underworld, Inc. (1949)

Insp. David Worth

Laura Keith

Spade Gordon

Nila

Agent Steve Evans

Prof. Paul Williams [Chs. 1-6]

Prof. James Clayton [Chs. 1, 10-12]

Frank Chambers [Ch. 8]

Grey - Henchman [Chs. 1-3] / Haskell - Pilot [Chs. 4-5] / Larkin - Henchman [Chs. 7-8] / Native #1[Ch. 11-12]

Mac - Henchman / False Prof. Graves [Chs. 6-7] / Cave Guard #1[Ch. 11]

Ali [Chs. 1, 10-12]

Det. O'Hara [Ch. 9]

Zod - Pursuit Plane Pilot [Chs. 10-11]

Native #3 [Ch. 11]

Porter [Ch. 9]

Prof. Elwood M. Graves [Ch. 6]

Cave Guard #2 [Ch.11]

Native #2 [Chs. 11-12]

Courier

Digger #1 [Chs. 1, 11-12]

Warehouse Thug [Chs. 1-2, 10]

Ambulance Thug [Ch. 3]

Headquarters Thug [Ch. 9]

Digger #2 [Chs. 1, 11-12]

Native #4 [Ch. 11]

Roadblock Thug [Ch. 5] / 6th Native [Ch. 11]

Museum Thug [Ch. 6]

Chemical Company Thug [Ch. 4]

Roadblock Thug [Ch. 5] / Native 5 [Ch. 11]