On screen
Cast
19 credited performers
Richard Greene
Sir Ronald Burton / Richard Beckett
Boris Karloff
Dr. Meissen
Stephen McNally
Count Karl von Bruno
Rita Corday
Countess Elga von Bruno
Lon Chaney Jr.
Gargon
John Hoyt
Count Steiken
Michael Pate
Count Ernst von Melcher
Nancy Valentine
Therese von Wilk
Tudor Owen
Romley
Henry Corden
Fender
Otto Waldis
Innkeeper Krantz
Artwork unavailable
Roy Engel
Burgher
Artwork unavailable
Leslie Denison
Sir David Layton (uncredited)
Artwork unavailable
Bernard Szold
Koppich (uncredited)
Jack Perrin
Hunter (uncredited)
Artwork unavailable
Forrest Burns
Guard (uncredited)
Chuck Hamilton
Guard (uncredited)
Artwork unavailable
John Roy
Guard (uncredited)
Artwork unavailable
Victor Romito
Guard (uncredited)