David Hoffman

as Messenger (uncredited)

as Inner Sanctum (archive footage) (uncredited)

as Potter (uncredited)

as Court Painter (uncredited)

as Beggar (uncredited)

as Spokesman (uncredited)

as Jabernowski

as Ship's Tailor (uncredited)

as Burns

as Andre Dussaud

as Alex (the postman)

as Ingram's Attorney Duprex

as Spy

as The Spirit of the Inner Sanctum (uncredited)

as Konrad

as John O. Blenker [Chs. 9-11]

as Mr. Radek (uncredited)

as Storekeeper

as Willi