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.
as Sherlock Holmes
as Dr. John Watson
as Lillie Langtry
as King Edward
as Lord Roberts
as Theodore Roosevelt
as Constantine Mavropolis
as Amelia Roosevelt Morrison
as Captain James Morrison
as Mycroft Holmes
as Lt. Grisholm
as Mrs. Hudson