James Grout

as Inspector Brockett

as Squire

as Dr. Friendman

as Sir Arthur Conan Doyle

as Fairbrother

as Charley

as Harry S. Bloomburger

as Queen's Counsel

as Nicholas Petrie

as Det Insp Bead

as Mr. Lomax

as Sergeant

as Superintendent Carson

as Sparta

as Chief Superintendent Strange

as Narrator

as Dr. Friendman

as Harry S. Bloomberger

as Granville Bennett

as Silence

as Supt. Cramer

as Kolmaar