Series episode
Cast: (18 - show/hide all)
| Jonny Lee Miller | ... | Sherlock Holmes |
| Lucy Liu | ... | Dr. Joan Watson |
| Jon Michael Hill | ... | Detective Marcus Bell |
| Aidan Quinn | ... | Captain Thomas Gregson |
| Johnny Simmons | ... | Adam Kemper |
| Yancey Arias | ... | Robert Castillo |
| Michael Countryman | ... | Barry Kemper |
| Erin Dilly | ... | Amanda Kemper |
| Selenis Leyva | ... | Sara Castillo |
| Christopher Evan Welch | ... | Samuel Abbott |
| Larisa Polonsky | ... | Lori Thomas |
| Flint Beverage | ... | Esu Sgt. O'Donnell |
| Andrew M. Chamberlain | ... | Adam Kemper (Age 12) |
| Don Guillory | ... | News Cameraman |
| Brian O'Neill | ... | Kemper Family Attorney |
| Katelynn Bailey | ... | Mariana Castillo |
| José Báez | ... | Prisoner |
| Ludovic Coutaud | ... | Prostitute |
Crew:
| Rod Holcomb | ... | Direction |
| Peter Blake | ... | Script |