Kirk Alyn
Blackhawk
Carol Forman
Laska
John Crawford
Chuck
Michael Fox
Mr. Case
Don C. Harvey
Olaf
Rick Vallin
Stan / Boris
Larry Stewart
Andre
Weaver Levy
Chop Chop
Zon Murray
Bork
Nick Stuart
Cress
Marshall Reed
Aller
Pierce Lyden
Dyke
William Fawcett
Dr. Rolph [Chs. 4-7]
Rory Mallinson
Hodge [Chs. 11-14]
