- Rosalie Williams - Mrs. Hudson
- Robin Hunter - Major Sholto
- William Ash - Jack Smith
- Ishaq Bux - Lal Chowder
- Derek Deadman - Williams
- Marjorie Sudell - Mrs Bernstone
- Gordon Gostelow - Sherman
- Lila Kaye - Mrs Mordecai Smith
- Courtney Roper-Knight - Wiggins
- Tommy Wright - Boatyard Workman
- Dave Atkins - Mordecai Smith
- Badi Uzzaman - Kartar Singh
- Renu Setna - Achmet
- Peter Hammond
- John Hawkesworth
- Arthur Conan Doyle
Capítulo disponible en las siguientes plataformas: