Wallace Grissell
Director
Spencer Gordon Bennet
Director
Yakima Canutt
Director
Fred Graham
Stunts
Howard Lydecker
Special Effects
Joseph F. Poland
Screenplay
Duke Taylor
Stunts
Dale Van Sickel
Stunts
Jesse Duffy
Screenplay
Duke Green
Stunts
Ronald Davidson
Producer
Basil Dickey
Screenplay
Albert DeMond
Screenplay
Harold Minter
Editor
Tom Steele
Stunts
Alan James
Screenplay
Eddie Parker
Stunts
Grant Nelson
Screenplay
Theodore Lydecker
Special Effects
Cliff Bell Sr.
Editor
Babe DeFreest
Stunts
Bud Thackery
Director of Photography
Mort Glickman
Original Music Composer
Charles S. Thompson
Set Decoration
R.G. Springsteen
Unit Manager
Ronald Davidson
Associate Producer
Fred A. Ritter
Art Direction
Ed Borschell
Sound
Richard Cherwin
Music Director
Richard Bailey
Lance Reardon
Linda Stirling
Claire Forrest
Roy Barcroft
Capt. Mephisto
Kenne Duncan
Sidney Brand
Forrest Taylor
Prof. William Forrest
Forbes Murray
Prof. Harry Hargraves
Jack Ingram
Edward Armstrong
Harry Strang
Frederick "Fred" Braley
Ed Cassidy
Paul Melton
Frank Alten
John Raymond
Lane Chandler
Police Insp. Reed
Russ Vincent
Ruga
Dale Van Sickel
Barker / Ritter / Lewis / Frazier / Sardon
Tom Steele
Lyons / Bailey
Duke Green
Spencer Harvey
