Záhady Sherlocka Holmese
First feature-length episode
Znamení čtyř
The Sign of Four
| Sherlock Holmes | Jeremy Brett | |
| Doctor Watson | Edward Hardwicke | |
| Jonathan Small | John Thaw | |
| Miss Mary Morstan | Jenny Seagrove | |
| Thaddeus Sholto | Ronald Lacey | |
| Athelney Jones | Emrys James | |
| Tonga | Kiran Shah | |
| Wiggins | Courtney Roper-Knight | |
| Lal Chowder | Ishaq Bux | |
| Mordecai Smith | Dave Atkins | |
| McMurdo | Alf Joint | |
| Major Sholto | Robin Hunter | |
| Mrs. Mordecai Smith | Lila Kaye | |
| Jack Smith | William Ash | |
| Kartar Singh | Badi Uzzaman | |
| Sherman | Gordon Gostelow | |
| Captain Morstan | Terence Skelton | |
| Williams | Derek Deadman | |
| Inderjit Singh | Ravinder Singh Revatt | |
| Achmet | Renu Setna | |
| Mrs Hudson | Rosalie Williams | |
| Mrs Bernstone | Marjorie Sudell | |
| Boatyard Workman | Tommy Wright | |
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| režie | Peter Hammond | |
| scénář | John Hawkesworth | |
| úprava scénáře | Craig Dickson | |
| výprava | Tim Wilding | |
| produkce | Michael Cox June Wyndham-Davies Rebecca Eaton |
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| hudba | Patrick Gowers | |
| délka | 1h42'40" | |
| premiéra | 29.12.1987 – ITV Network | |
| česká premiéra | ? |