When a diabolical English lord is murdered, Sherlock Holmes and Watson must unexpectedly exchange roles in order to solve "the perfect locked room mystery.
as Doctor Watson
as Captain Norton
as Dr. John H. Watson
as Sherlock Holmes
as Inspector Lestrade
as Tabitha Hull
as Lord Albert Hull
as Lady Rebecca Hull
as William Hull
as Jory Hull
as Screaming Maid
as Horrified Housekeeper
as Oliver Stanley (as Dustin Allen)
as Mrs. Hudson