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 Lord Albert Hull
as Lady Rebecca Hull
as William Hull
as Jory Hull
as Tabitha Hull
as Screaming Maid
as Horrified Housekeeper
as Oliver Stanley (as Dustin Allen)
as Mrs. Hudson
as Lieutenant Gleason
as Mr. Barnes
as Young Solicitor
as Carriage Driver
as Young Rebecca
as Country Doctor
as Chairman of the Board
as Board Member
as Hull's Man
as Billy
as Cleaner
as Cleaner's Boy
as Auxiliary Doctor
as Auxiliary Nurse
as Auxiliary Patient
as Detective Sergeant
as Constable
as Constable (voice)
as Carriage Driver 1 (voice)
as Carriage Driver 2 (voice)
as Solicitor (yelling) (voice)
as Additional Voice (voice)