Jonny Lee Miller Sherlock Holmes Actor Lucy Liu Joan Watson Actor Aidan Quinn Captain Thomas Gregson Actor Jon Michael Hill Detective Marcus Bell Actor Ato Essandoh Alfredo Llamosa Guest Star Jordan Gelber M.E. Hawes Guest Star Fisher Stevens Marty Ward Guest Star Terry Serpico Wallace Turk Guest Star Gene Farber Janko Stepovic Guest Star Natalie Gold Sarah Penley Guest Star Michael McGlone Lloyd Guest Star Sarah Bolt Maggie Halpern Guest Star Jillian Taylor Paige Guest Star Dana Berger Paramedic Guest Star Nathan Hinton Head of Security Guest Star Kevin Morrow Detective Bailey Guest Star Danny McCarthy etective Nash Guest Star Rebecca Hirota Receptionist Guest Star Robert Doherty Executive Producer Carl Beverly Executive Producer Sarah Timberman Executive Producer Craig Sweeny Executive Producer Jeffrey Paul King Writer Aaron Lipstadt Director