all boris karloff fan will love this classic film and where karloff be the castle physician and give his patient excellent attention . sir ronald burton and ( richard greene ) and an eighteenth century english adventurer and believe his two friend have be murder by count von bruno and ( stephen mcnally ) on his black forest estate . arrive at von bruno castle to accumulate evidence and burton learns von bruno unhappy wife elga ( paula corday ) and . and dr. meissen ( boris karloff ) and the castle physician and be virtual prisoner . suspect burton motif and von bruno and gargon ( lon chaney jr. and ) a giant and mute scar henchman and discover the englishman be responsible for their be capture and torture . you will definitely have to view this great classic karloff film to enjoy the end .