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 Paula Garcés Officer Paula Reyes Guest Star Malcolm Goodwin Andre Bell Guest Star Anwan Glover Curtis Bradshaw Guest Star Linda Emond Dr. Candace Reed Guest Star Lynda Gravatt Lenore Guest Star Kelvin McGrue Cronie 1 Guest Star Michael Bakkensen Reporter 1 Guest Star Matt McGorry Kelvin McGrue... Guest Star Shawn McLean Cronie 2 Guest Star Robert Doherty Executive Producer, Writer Sarah Timberman Executive Producer Carl Beverly Executive Producer Michael Cuesta Executive Producer Jeffrey Paul King Writer Jason Tracey Writer