Season Regulars 4

1. 

   Jonny Lee Miller

   Sherlock Holmes

2. 

   Lucy Liu

   Joan Watson

3. 

   Jon Michael Hill

   Marcus Bell

4. 

   Aidan Quinn

   Thomas Gregson

Guest Stars 12

1. 

   David Harbour

   Dr. Mason Baldwin

2. 

   David Costabile

   Danilo Gura

3. 

   Ben Rappaport

   Dr. Cahill

4. 

   Jenni Barber

   Jacqueline Zoltana

5. 

   Anika Noni Rose

   Dr. Carrie Dwyer

6. Eric Deskin

   Richard Sanchez

7. 

   Jonathan C. Kaplan

   Barista Dave

8. 

   Jay Klaitz

   Bruce

9. Shauna Miles

   Nurse

10. Rozi Baker

    Morgan Duncan

11. Eric Engleman

    Security Guard

12. 

    Shayne Coleman

    Nurse

Crew 4