| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Anthony Higgins | Prof. Rathe | Remington Double Derringer | - |
| Freddie Jones | Chester Cragwitch | Double Barreled Shotgun | - |
| Nadim Sawalha | Khasek | Blunderbuss | - |
| Roger Ashton-Griffiths | DS Lestrade | Webley RIC No.1 New Model | Possibly Metropolitan Police |