Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Dr. Joan Watson Actor Aidan Quinn Capt. Tobias "Toby" Gregson Actor Jon Michael Hill Detective Marcus Bell Actor Keith Szarabajka Wade Crewes Guest Star Callie Thorne Terry D'Amico Guest Star Juan Castano Sean Figueroa Guest Star Stephen Kunken Dr. Carrow Guest Star Amy Hohn Dr. Ryan Guest Star Stephen Henderson Groundskeeper Edison Guest Star Brian Tarantina Walsh Guest Star Stivi Paskoski Victor Nardin Guest Star Evgeniya Radilova Katya Guest Star Steven Skybell Dr. Sacco Guest Star Robert Doherty Executive Producer Sarah Timberman Executive Producer Carl Beverly Executive Producer Michael Cuesta Executive Producer Christopher Silber Writer Seith Mann Director