Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Joan Watson Actor Aidan Quinn Captain Thomas Gregson Actor Jon Michael Hill Detective Marcus Bell Actor John Noble Mr. Morland Holmes Actor Jordan Gelber Guest Star Tom Everett Scott Guest Star Michael Gladis Guest Star Drew Gehling Guest Star Jennifer Ikeda Guest Star Haviland Morris Guest Star Enid Graham Guest Star Kevin Isola Guest Star Ric Stoneback Guest Star Robbie Tann Guest Star Adam Heller Guest Star Raymond Neil Hernandez Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer John Polson Executive Producer Jason Tracey Executive Producer Robert Hewitt Wolfe Writer Ron Fortunato Director