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 Virginia Madsen Guest Star Zachary Knighton Guest Star Kim Director Guest Star Curtiss Cook Guest Star Anthony DeSando Guest Star Gideon Glick Guest Star Tonye Patano Guest Star Victor Verhaeghe Guest Star Ryan Garbayo Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer John Polson Executive Producer Jason Tracey Executive Producer, Writer Alex Chapple Director