as Inspector Brockett
as Sergeant
as Fairbrother
as William Strahan
as Peter Thomas
as Charley
as Sir George Crofts
as Dr. Friendman
as Sir Arthur Conan Doyle
as James Johns
as Squire
as Queen's Counsel
as Harry S. Bloomburger
as Det Insp Bead
as Sinclair
as Sparta
as Harry S. Bloomberger
as Silence
as Petroc
as Major Hawkins
as Supt. Cramer
as Superintendent Carson
as Granville Bennett
as Chief Superintendent Strange
as Kolmaar
as Narrator
as Mr. Spenlow
as Catesby / Ely (voice)
as George Bunn
as Mr. McAllister
as Jonas Bradlaw
as Sam McGuire
as PC Thorpe
as Inspector
as Robert Koch
as Det. Sgt. Evans
as Superintendent Rafferty
