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

Spencer Gordon Bennet

Fred C. Brannon