Nicholas Rowe (Sherlock Holmes), Alan Cox (John Watson), Sophie Ward (Elizabeth), Anthony Higgins (Rathe), Susan Fleetwood (Mrs. Dribb), Freddie Jones (Chester Cragwitch), Nigel Stock (Waxflatter), Roger Ashton-Griffiths (Lestrade), Brian Oulton (Master Snelgrove), Patrick Newell (Bentley Bobster), Roger Brierley (Mr. Holmes), Vivienne Chandler (Mrs. Holmes), Walter Sparrow (Ethan Engel), Michael Hordern (der ältere Watson), Nadim Sawalha (ägyptischer Tavernenbesitzer), Willoughby Goddard (Schulgeistlicher), Lockwood West (Curio-Ladenbesitzer), Ralph Tabakin (Polizist im Ladenfenster), Donald Eccles (Reverend Duncan Nesbitt), Nancy Nevinson (Hotelrezeptionistin), Michael Cule (Polizist), George Malpas (Schulportier), John Scott Martin (Friedhofsgärtner), Royston Munt (Lakai), Earl Rhodes (Dudley), Matthew Blakstad (Dudleys Freund), Matthew Ryan (Dudleys Freund), Jonathan Lacey (Dudleys Freund)