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.
Christopher Lee
Patrick Macnee
Jenny Seagrove
Joss Ackland
Richard Todd
Claude Akins
Anthony Fridjhon
Claudia Udy
Neil McCarthy
Jerome Willis
Ron Smerczak
Margaret John