as Mr. Spenlow

as Charley

as Peter Thomas

as Catesby / Ely (voice)

as Chief Superintendent Strange

as Dr. John Anderson

as George Bunn

as Mr. McAllister

as Inspector

as Arthur Dumpton

as William Strahan

as Narrator

as Roebuck Ramsden

as Nicholas Petrie

as Det. Sgt. Evans

as Fairbrother

as Superintendent Rafferty

as Sir Arthur Conan Doyle

as Granville Bennett

as Det Insp Bead

as Queen's Counsel

as Mr. Lomax

as Jonas Bradlaw

as Harry S. Bloomburger

as James Johns

as Robert

as Dr. Friendman

as Sam McGuire

as Robert Koch

as Supt. Cramer

as Inspector Brockett

as Sinclair

as Sir George Crofts

as Kolmaar

as Superintendent Carson

as Sergeant

as Major Hawkins

as Squire

as Petroc