I've talked a little about the vocal performances from the actors, and I think it's important to mention it again. Welles, Sloane, and DeCorsia were all radio veterans with Anders, Erskine Sandford and Gus Schilling having had mostly stage experience. All of these actors were used to utilizing their voices as much as their visual appearance to portray their characters and serve the story. Anders usually gets the praise for the insinuating purr of his Grisby character, but I want to call your attention to Everett Sloane as Arthur Bannister, "The World's Greatest Criminal Defense Attorney" as it is repeated throughout the film.
It's interesting how much most commentary on "The Lady From Shanghai" is spent on the Hall Of Mirrors shootout. It's a great scene, one of Welles' best in both conception and execution, but when you see this film pay attention to all of it. Even in it's current, truncated form4 it is, to my eyes one of the great Orson Welles films, certainly on par with "Touch Of Evil" or "F For Fake", if not "Citizen Kane"5.
1- Welles supposedly wrote in a memo to Harry Cohn, Columbia's chief re: the score ""The only idea which seems to have occurred to this present composer is the rather weary one of using a popular song -- the "theme" -- in as many arrangements as possible.... Lady From Shanghai is not a musical comedy."