Charles Quigley
Duncan Richards
Cast (16)
Linda Stirling
Diana Farnsworth
Clayton Moore
Louis Ashe
I. Stanford Jolley
Dr. Blackton [Ch. 11]
Kenne Duncan
Dr. Chambers [Chs. 1-2, 8]
Forrest Taylor
Prof. Van Wyck
Emmett Vogan
Anderson [Chs. 1-4]
Sam Flint
Maxwell
Joseph Forte
Prof. Parker (as Joe Forte)
Stanley Price
Count Fator [Chs. 11-12]
Wheaton Chambers
Wilson [Ch. 1]
Tom Steele
Henchman Stricker [Chs. 4, 7, 9]
Dale Van Sickel
Henchman Harte [Chs. 6-7]
Rex Lease
Bain
Fred Graham
Snyder [Chs. 1-2] / Zane [Ch. 8]
Bud Wolfe
Cross - Apartment Thug [Chs. 11-12]
Crew (18)
Polly Burson
Stunt Double
Jesse Duffy
Screenplay
Fred C. Brannon
Director
Albert DeMond
Screenplay
Sol Shor
Screenplay
William Witney
Director
Basil Dickey
Screenplay
Cliff Bell Sr.
Editor
William E. Clark
Sound
Howard Lydecker
Special Effects
Bud Thackery
Director of Photography
Harold Minter
Editor
Theodore Lydecker
Special Effects
John McCarthy Jr.
Set Decoration
Earl Wooden
Set Decoration
Ronald Davidson
Associate Producer
Fred A. Ritter
Art Direction
Mort Glickman
Original Music Composer