Sherlock Holmes must track down his nemesis, Professor Moriarty, after the villain kidnaps Holmes' brother, Mycroft. The evil doctor is forcing his captive to decode highly classified military documents.
| Directing | Stuart Orme | Director |
| Writing | Charles Edward Pogue | Writer |
| Writing | Arthur Conan Doyle | Novel |
| Production | William F. Storke | Executive Producer |
| Production | Robert E. Fuisz | Producer |
| Production | Brian Harris | Co-Executive Producer |
| Production | Charles Edward Pogue | Co-Producer |
| Production | Noel Davis | Casting |
| Production | Jeremy Zimmermann | Casting |
| Art | Malcolm Middleton | Production Design |
| Sound | Colin Towns | Music |
| Editing | Keith Palmer | Editor |
| Camera | Ken Westbury | Director of Photography |
| Costume & Make-Up | Sue Yelland | Costume Designer |
| Production | Geoffrey W. Lowe | Associate Producer |
| Directing | Roger Simons | First Assistant Director |
| Production | Roger Simons | Production Manager |
| Directing | Mark Goddard | Second Assistant Director |
| Directing | Antony Ford | Third Assistant Director |
| Production | Peter Elford | Location Manager |
| Production | Rufus Andrews | Location Manager |
| Camera | Trevor Coop | Camera Operator |
| Camera | Danny Shelmerdine | Focus Puller |
| Camera | Bob Bridges | Assistant Camera |
| Camera | Joe Martin | Grip |
| Sound | Peter Sutton | Sound Recordist |
| Sound | John Salter | Boom Operator |
| Camera | Nigel Slatter | Camera Operator |
| Camera | Nigel Seal | Assistant Camera |
| Directing | Marilyn Clarke | Script Supervisor |
| Production | Elaine Burt | Production Coordinator |
| Art | Leslie Tomkins | Art Direction |
| Art | Ian Whittaker | Set Decoration |
| Art | Peter Childs | Draughtsman |
| Art | Terry Apsey | Construction Manager |
| Costume & Make-Up | Christine Beveridge | Makeup Department Head |
| Costume & Make-Up | Sallie Evans | Assistant Makeup Artist |
| Costume & Make-Up | Jan Archibald | Hair Department Head |
| Costume & Make-Up | Peter Shepherd | Assistant Hairdresser |
| Costume & Make-Up | Catherine Halloran | Wardrobe Supervisor |
| Costume & Make-Up | Kirsten Wing | Wardrobe Assistant |
| Editing | Hugo Middleton | First Assistant Editor |
| Editing | Peter Matthews | Assistant Editor |
| Sound | Michael Crouch | Sound Editor |
| Sound | Liz Webber | Assistant Sound Editor |
| Sound | Len Tremble | Foley Editor |
| Sound | Peter Elliott | Dialogue Editor |
| Sound | Roy Burge | Dialogue Editor |
| Sound | Joe Illing | Assistant Dialogue Editor |
| Sound | Penny Woolley | Assistant Dialogue Editor |
| Sound | Otto Snel | Sound Mixer |
| Art | Arthur Wicks | Property Master |
| Lighting | Reg Parsons | Gaffer |
| Lighting | Brian Martin | Best Boy Electric |
| Lighting | Ronnie Rampton | Electrician |
| Lighting | Jim Terry | Electrician |
| Lighting | Don Maton | Electrician |
| Crew | Jason White | Stunt Coordinator |
