- Author:
- Sir Arthur Conan Doyle
- Dramatised by:
- Michael Hardwick
- Dramatised by:
- Mollie Hardwick
- Script Editor:
- John Barber
- Script Editor:
- Donald Tosh
- Designer:
- Sally Hulke
- Producer:
- William Sterling
- Sherlock Holmes:
- Peter Cushing
- Dr Watson:
- Nigel Stock
- Mary Morstan:
- Ann Bell
- Thaddeus:
- Paul Daneman
- Bartholomew Sholto:
- Paul Daneman
- Inspector Athelney Jones:
- John Stratton
- Mrs Forrester:
- Ailsa Grahame
- Jonathan Small:
- Howard Goorney
- Mrs Hudson:
- Grace Arnold
- Lal Rao:
- Ahmed Khalil
- McMurdo:
- Sydney Conabere
- Wiggins:
- Tony McLaren
- Mrs Mordecai Smith:
- Annabella Johnston
- Mr Mordecai Smith:
- David S. Boliver
- Mrs Bernstone:
- Ann Way
- Tonga:
- Zen Keller
- Alice:
- Sara Olee
- John Sholto:
- John Dunbar
- Policeman:
- Ves Delahunt
- Policeman:
- David James
- Policeman:
- Kenneth Hale
- Policeman:
- Tony Leary
- Toby:
- null Toddy
