as Arnold Hammer
as Young Man (uncredited)
as First Scientist
as Dr. Flankon
as Ben
as Tommy Preston, Wyoming Hotel Owner
as Hernandez (uncredited)
as Sen. Royce
as Dr. Zoldeck
as Emergency Room Orderly (uncredited)
as Dr. Alistair Craig
as Simon the Zealot
as Dr. Arthur Carrington
as Storekeeper
as George - Hotel Clerk
as Mr. Hayes
as Mr. Reed
as Dr. Carrington
as Harper
as Pastor Dixon
as Dr. Hartfield
as Lloyd Trent
as Dr. Shelby
as Dr. Pryor
as Harry Knight - Lindbergh Student (uncredited)
as Dr. Tighe
as Springer
as Napoleon Bonaparte
as FBI Agent
as Frank Cavanaugh
as Professor Blount
as Studio Photo Archivist (uncredited)
as Huddleston
as Stefan (uncredited)
as Earl Cott
as Dr. Lomas
as Franz Loeffler
as Gov. Renault
as Caiaphas
as Dr. Ashburn
as Dr. Bradville
as Frederick S. Fish
as Self
as Mr. Phillips
as Duval
as Herbert Dean
as Coroner
as Hives
as Mr. Somerset
as Allan A. Dale
as Pickett
as Dr. Evans
as Reverend
as Hanford
as Director
as Major Damier
as Mr. Bleeker
as Ronald Smith
as Ted Warwick
as Reverend Keith
as Machine (voice)