Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Joan Watson Actor, Director Aidan Quinn Captain Thomas Gregson Actor Jon Michael Hill Detective Marcus Bell Actor Gina Gershon Elana March Guest Star Brian George Santhosh Mittal Guest Star Chandler Williams Vernon Joseph Guest Star Louis Cancelmi Ben Reynolds Guest Star Anthony Gaskins Donovan Gaines Guest Star Shawn Andrew ESU Officer Guest Star Edward Chin-Lyn Prison Guard Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer Craig Sweeny Executive Producer Jeffrey Paul King Writer