Cast

Bruce Edwards
Steve Colt
Virginia Lee
Joyce Winters (as Virginia Lindley)

Carol Forman
Sombra, The Black Widow

Anthony Warde
Nick Ward

Ramsay Ames
Ruth Dayton

I. Stanford Jolley
Dr. Z.V. Jaffa
Dave Anderson
Porter-Spy
Theodore Gottlieb
Hitomu
Virginia Carroll
Dr. Ann Curry

Gene Roth
John M. Walker

Sam Flint
Prof. Henry Weston

LeRoy Mason
Dr. Godfrey

Forrest Taylor
Bradley

Ernie Adams
Blinky

Keith Richards
Michael Burns

George Chesebro
J. Carter

Frank Lackteen
A. Kabob

Carey Loftin
(1914–1997)
Spike
Ted Mapes
Slade

Jack O’Shea
Finnegan
Gil Perkins
Burke

John Phillips
District Attorney Mark

Stanley Price
Filmore Hagen
Larry Steers
Dr. Harcourt
Ken Terrell
Mendoza
Directing
Spencer Gordon Bennet
Director
Fred C. Brannon
Director
Art
John McCarthy Jr.
Set Decoration
James Redd
Set Decoration
Fred A. Ritter
Art Direction
Camera
John MacBurnie
Director of Photography
Production
Anthony Hinds
Producer
Editing
Cliff Bell Sr.
Editor
Sam Starr
Editor