| Marcus Bell |
|Affiliation||New York City Police Department|
|Family||Andre Bell (brother)|
|Behind the scenes|
|Portrayed by||Jon Michael Hill|
Bell was initially very sceptical of Sherlock Holmes and his methods; however, after seeing Holmes' deductions proven true, he comes to realise Sherlock's talent as a detective and readily takes advice from him.
- Bell is the only main or recurring character who does not represent a character from the original Holmes stories.
- His last name, Bell, could be a reference to Joseph Bell, Sir Arthur Conan Doyle's inspiration for the original Sherlock Holmes.
- His badge number is 42819. ("Details")
- He played Sky Masterson in his high school production of Guys and Dolls. ("Snow Angels")