King Edward asks Sherlock Holmes to perform one more task before his retirement: to safeguard the Star of Africa on a trip to Cape Town. Soon the fabled jewel is stolen and several people end up being murdered.
| Writing | Gerry O'Hara | Story |
| Directing | Bill Corcoran | Director |
| Writing | Bob Shayne | Teleplay |
| Sound | Eric Allaman | Original Music Composer |
| Crew | Gavin Mey | Stunt Coordinator |
| Writing | Arthur Conan Doyle | Characters |
| Camera | Kenneth J. Withers | Camera Operator |
| Production | Harry Alan Towers | Executive Producer |