Bruce Edwards
Steve Colt
Acting
Virginia Lee
Joyce Winters (as Virginia Lindley)
Acting
Carol Forman
Sombra, The Black Widow
Acting
Anthony Warde
Nick Ward
Acting
Ramsay Ames
Ruth Dayton
Acting
I. Stanford Jolley
Dr. Z.V. Jaffa
Acting
Dave Anderson
Porter-Spy
Acting
Theodore Gottlieb
Hitomu
Acting
Virginia Carroll
Dr. Ann Curry
Acting
Gene Roth
John M. Walker
Acting
Sam Flint
Prof. Henry Weston
Acting
LeRoy Mason
Dr. Godfrey
Acting
Forrest Taylor
Bradley
Acting
Ernie Adams
Blinky
Acting
Keith Richards
Michael Burns
Acting
George Chesebro
J. Carter
Acting
Frank Lackteen
A. Kabob
Acting
Carey Loftin
Spike
Acting
Ted Mapes
Slade
Acting
Jack O'Shea
Finnegan
Acting
Gil Perkins
Burke
Acting
John Phillips
District Attorney Mark
Acting
Stanley Price
Filmore Hagen
Acting
Larry Steers
Dr. Harcourt
Acting
Ken Terrell
Mendoza
Acting