Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Joan Watson Actor Aidan Quinn Captain Thomas Gregson Actor Jon Michael Hill Detective Marcus Bell Actor Nelsan Ellis Shinwell Johnson Actor Chasten Harmon Chantal Milner Guest Star Danny Burstein Ted Winthrop Guest Star Michael Berresse Ardy Gulbenkian Guest Star Olek Krupa Fyodor Ukhov Guest Star Kelly Deadmon Lara Ukhov Guest Star Delaney Williams Joseph Tommolino Guest Star Robert Christopher Riley Roy Booker Guest Star Marnie Schulenburg Maureen Guest Star Gregory Haney Stylist Guest Star Jude Tibeau Uniform Officer Guest Star Jenelle Chu Receptionist Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer John Polson Executive Producer Jason Tracey Executive Producer Bob Goodman Writer Guy Ferland Director