(Part 3 of 3) Orson Welles (Professor Moriarty), Sir John Gielgud (Sherlock Holmes), and Sir Ralph Richardson (Dr. Watson) star in this radio show dramatization of Sir Arthur Conan Doyle's Sherlock Holmes detective story, The Final Problem. The program aired on December 21, 1954. There were 16 shows total in this radio series. To listen to the next episode in the series go to: www.youtube.com . Photo: Orson Welles as Falstaff in his Shakespeare based film Chimes at Midnight. This is the only film in which Welles, Gielgud, and Richardson all participated. Sir John Gielgud played King Henry IV and his good friend Sir Ralph Richardson, a famous Falstaff in his own right, lent his voice as the movie's narrator.