Director/a
Fred C. Brannon
DIRECTOR/A
Reparto (por orden de créditos)
Tristram Coffin
Jeffrey King
Mae Clarke
Glenda Thomas
Don Haggerty
Tony Dirken
House Peters Jr.
Burt Winslow
James Craven
Prof. Millard [Chs. 1-7, 10]
I. Stanford Jolley
Prof. Bryant
Douglas Evans
Chairman [Ch. 12]
Ted Adams
Martin Conway [Chs. 1-4]
Stanley Price
Gunther Von Strum
Dale Van Sickel
Martin - Henchman [Ch.1]
Tom Steele
Knox - Henchman [Chs. 1, 3-4, 7]
David Sharpe
Blears - Henchman
Eddie Parker
Rowan [Ch. 3]
Michael Ferro
Turk - Henchman [Ch. 8]
Frank O'Connor
Warehouse Guard [Chs. 1, 10]
Buddy Roosevelt
Phillips - Henchman [Chs. 9-10]
Marshall Bradford
Prof. Graftner(uncredited)
Arvon Dale
Chairman's Aide [Ch. 12](uncredited)
Art Gilmore
Newscaster [Ch. 5](uncredited)(voice)
Bert LeBaron
Morgan - Henchman [Chs. 8-9](uncredited)
Carey Loftin
Sparks - Henchman [Ch. 2](uncredited)
Jack O'Shea
Walter - Eastern Electronics' Clerk [Ch. 6](uncredited)
Bud Wolfe
Clay - Motorcycle Rider [Ch. 9](uncredited)