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