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Peter Cushing as Sherlock Holmes |
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John Mills as Dr. John H. Watson / Narrator |
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Anne Baxter as Irene Adler / Mrs. Norton |
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Ray Milland as Home Secretary |
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Anton Diffring as Graf Udo Von Felseck |
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Gordon Jackson as Inspector Alec MacDonald |
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Marcus Gilbert as Anton Von Felseck |
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Susan Penhaligon as Miss Derwent |
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Jenny Laird as Mrs. Hudson |
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Russell Hunter as Alfred Coombs |
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James Cossins as Frederick Bains |
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Eric Dodson as Lord Claremont |
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Georgina Coombs as Lady Claremont |
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James Head as Chauffeur |
| Directing | Roy Ward Baker | Director |
| Sound | Malcolm Williamson | Original Music Composer |
| Writing | N.J. Crisp | Writer |
| Writing | Arthur Conan Doyle | Characters |
| Writing | Anthony Hinds | Screenstory |
| Production | Kevin Francis | Executive Producer |
| Production | Norman Priggen | Producer |
| Camera | Brendan J. Stafford | Director of Photography |
| Editing | Chris Barnes | Editor |
| Art | Geoffrey Tozer | Art Direction |
| Costume & Make-Up | Anthony Mendleson | Costume Design |
| Costume & Make-Up | Roy Ashton | Makeup Artist |
| Costume & Make-Up | Ernest Gasser | Makeup Artist |
| Costume & Make-Up | Mark Nelson | Hairstylist |
| Costume & Make-Up | Mary Sturgess | Hairstylist |
| Production | Clifton Brandon | Production Manager |
| Sound | Roy Baker | Sound Editor |
| Sound | Danny Daniel | Sound Recordist |
| Sound | Otto Snel | Sound Re-Recording Mixer |
| Sound | Karen G. Wilson | Assistant Sound Editor |
