No synopsis available.
Elmer Clifton
Director
Edward Linden
Herman Schopp
Don Terry
Larry Kent
Gwen Gaze
Toni Morrell
Walter Miller
Carter 'The Shark' Collins
George Rosener
Capt. Samuel Cuttle
Grant Withers
Roderick Gridley
Hobart Bosworth
Dr. X
Sandra Karina
Nurse Zanya
P.J. Kelly
Prof. Gault
Yakima Canutt
Dreer (Mole-Men Leader)
William Farnum
George Brennan Westmore (Editor)
Joe Caits
Saltwater Jerry [Chs.1,4-7,13-15]
Colin Campbell
Hawkins (the Butler) [Chs. 1-3]
Dave O'Brien
Det. Jameson [Chs. 4-7]
William Royle
Paul Thorndyke [Ch.1]
Warner Richmond
Capt. Tom Stanton, alias Capt. Tom Faxton [Ch.1]
