Englishman Sir Ronald Burton enters the castle of Austrian nobleman Count von Bruno, complete with torture chamber and moat, while investigating the disappearance of two friends.

Richard Greene
as Sir Ronald Burton / Richard Beckett

Boris Karloff
as Dr. Meissen

Stephen McNally
as Count Karl von Bruno

Rita Corday
as Countess Elga von Bruno

Lon Chaney Jr.
as Gargon

John Hoyt
as Count Steiken

Michael Pate
as Count Ernst von Melcher

Nancy Valentine
as Therese von Wilk

Tudor Owen
as Romley

Henry Corden
as Fender
CinemaSerf
Richard Greene is "Richard Beckett" who arrives at the aptly named castle of eye-patch wearing Austrian count "von Bruno" (a suitably hammy Stephen McNally) to find out what has happened to two of his friends who have gone missing. Once there, he finds himself involved in some intrigues with his hos...