Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Joan Watson Actor Aidan Quinn Captain Thomas Gregson Actor Jon Michael Hill Detective Marcus Bell Actor Aleksa Palladino Iris Lanzer Guest Star Scott Cohen Nolan Sharp Guest Star Jennifer Laura Thompson Rachel Brown Guest Star Dan Cooney Cliff Brown Guest Star Bill Sage Jake Picardo Guest Star Curtis McClarin Morris Gilroy Guest Star David Gregory Nicholas Orman Guest Star Tally Sessions Officer Jaffin Guest Star Alec Beard Officer Conroy Guest Star Bradford Cover Vincent Renatto Guest Star Nina Lafarga Tatiana Guest Star Liz Wasan Stage Manager Guest Star John Leonard Thompson Picardo's Lawyer Guest Star Andrea Green Dancer 1 Guest Star Hannah Kahn Dancer 2 Guest Star Kimberly Faure Nell Solange Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer Craig Sweeny Executive Producer Liz Friedman Writer Jean de Segonzac Director