A man investigates the disappearance of two of his friends who were the guests of a sinister Austrian count.
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
Roy Engel
Burgher
Leslie Denison
Sir David Layton (uncredited)
Bernard Szold
Koppich (uncredited)
Jack Perrin
Hunter (uncredited)
Forrest Burns
Guard (uncredited)
Chuck Hamilton
John Roy
Victor Romito
