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
Screenplay
Alan James
Special Effects
Howard Lydecker
Basil Dickey
Theodore Lydecker
Editor
Harold Minter
Wallace Grissell
Grant Nelson
Joseph F. Poland
Duke Taylor
Jesse Duffy
Albert DeMond
Producer
Ronald Davidson
Cliff Bell Sr.
Babe DeFreest
Original Music Composer
Mort Glickman
Director of Photography
Bud Thackery
Art Direction
Fred A. Ritter
Associate Producer
Set Decoration
Charles S. Thompson
Sound
Ed Borschell
Music Director
Richard Cherwin