The Private Life of Sherlock Holmes Mycroft Holmes after George Sanders' failing health removed him from the role. Elaborate sets were built on the backlot at Pinewood Studios including 150 yards of the Baker Street set at a cost of £80,000. The reproduction of the Diogenes Club stood until 1973 having been used in other films such as "Hands of the Ripper" and "Carry On at Your Convenience". The sets were designed by art director Alexandre Trauner. The scenes in Scotland were filmed on location at Urquhart Castle on the banks of Loch Ness. The film originally contained another two separate stories, and a further flashback
The Adventure of Sherlock Holmes' Smarter Brother Sacker, shares a similar name with that originally applied to John Watson, Ormond Sacker. The film's title and premise are a joke referring to the character of Mycroft Holmes, Sherlock Holmes' "older" brother, who was by both of their estimates a good deal smarter than Sherlock. He was, however, too lazy to become a detective, and did indispensable work for the British government. Mycroft was described by Sherlock in conversation with Watson: Mycroft is mentioned briefly in the beginning of the film, which presupposes that Holmes was one of three brothers. Sigerson's name refers to an alias used by Sherlock