In addition to Brett, Burke and Hardwicke, other regular cast members included Rosalie Williams as housekeeper Mrs. Hudson, and Colin Jeavons as Inspector Lestrade of Scotland Yard. Also appearing in several episodes was Charles Gray as Holmes' brother Mycroft Holmes (who played the same character in the 1976 film "The Seven-Per-Cent Solution"), and Eric Porter who portrayed Holmes's nemesis Professor Moriarty in the second series of "Adventures". The role of the servant Joe Barnes who impersonates Lady Beatrice in the 1991 episode "The Adventure of Shoscombe Old Place" was played by Jude Law, who later played Dr. Watson in the 2009 film "Sherlock Holmes" and its 2011 sequel "". Helen Ryan made two guest appearances in the show as different characters, appearing in The Adventure of the Norwood Builder as Mrs McFarlane, and in The Adventure of the Mazarin Stone as the Princess of Wales (a role she previously played in Edward the Seventh). Inspector Bradstreet appeared in "The Blue Carbuncle", played by Brian Miller and then in "The Man with the Twisted Lip", "The Adventure of the Bruce-Partington Plans" and "The Mazarin Stone", played by Denis Lill.