Directed by
| Elliot Blake | ||
Writing Credits (in alphabetical order)
| Charles Kindinger | ||
Cast (in credits order)
| Dominic Monaghan | ... | James Moriarty (voice) | |
| Helen Mirren | ... | Lady Milverton (voice) | |
| Phil LaMarr | ... | Sherlock Holmes (voice) | |
| Rest of cast listed alphabetically: | |||
| Curtis Armstrong | ... | Boss Duffy (voice) | |
| Anya Chalotra | ... | Agatha (voice) | |
| Dan Domingues | ... | Eduardo Lucas (voice) | |
| Arielle Goldman | ... | Irene / Rose (voice) | |
| Billy Harris | ... | Constable McPherson (voice) | |
| Aaron Lyons | ... | Multiple (voice) | |
| Robert Maffia | ... | Ensemble (voice) | |
| Ross McCall | ... | Moran (voice) | |
| Lindsay Jean Michelle | ... | Mrs. Hudson / Charlotte (voice) | |
| Jenna Pinchbeck | ... | Ensemble (voice) | |
 |
Paul Rogan | ... | Horace (voice) |
| Josh Robert Thompson | ... | Fred (voice) | |
| Bruce Wexler | ... | Multiple (voice) | |
Produced by
| Lisa Ammerman | ... | executive producer |
| Elliot Blake | ... | executive producer |
| Kelly Garner | ... | executive producer |
| Oscar Eugenio Guido | ... | producer |
| Charles Kindinger | ... | executive producer |
| Joshua Poole | ... | executive producer |
Music by
| Will Bates | ||
| Erik Lutz | ||
| Lev Zhurbin | ||
Editing by
| Erin Bauman | ||
| Jarrod Brom | ||
| Matt Dyson | ||
| Thom Monahan | ||
| Geoff Neal | ||
Production Management
| Renee LeVesque | ... | production manager |
Sound Department
| Katie Korpi | ... | sound editor |
Music Department
| Thom Monahan | ... | music supervisor |