Steve Colt
Joyce Winters (as Virginia Lindley)
Sombra, The Black Widow
Nick Ward
Ruth Dayton
Dr. Z.V. Jaffa
Porter-Spy
Hitomu
Dr. Ann Curry
John M. Walker
Prof. Henry Weston
Dr. Godfrey
Bradley
Blinky
Michael Burns
J. Carter
A. Kabob
Spike
Slade
Finnegan
Burke
District Attorney Mark
Filmore Hagen
Dr. Harcourt
Mendoza