James Grout

as Charley

as Peter Thomas

as Judge

as William Strahan

as Nicholas Petrie

as Fairbrother

as Sir Arthur Conan Doyle

as Det Insp Bead

as Queen's Counsel

as James Johns

as Harry S. Bloomburger

as Robert

as Dr. Friendman

as Sir George Crofts

as Inspector Brockett

as Sinclair

as Sergeant

as Squire

as Mr. Spenlow • 2 eps

as Douglas • 1 eps

as Thesp • 10 eps

as Catesby / Ely (voice) • 1 eps

as Silence • 1 eps

32 eps

as Chief Superintendent Strange • 28 eps

as Professor George Bunn • 4 eps

as Mr McAllister • 2 eps

as Inspector • 5 eps

as Narrator • 1 eps

as Mortimer • 1 eps

as William Rowland • 1 eps

as Det. Sgt. Evans • 1 eps

as Gowing • 9 eps

as Superintendent Rafferty • 7 eps

as CI Russell • 1 eps

as Granville Bennett • 6 eps

as Sir Arthur Conan Doyle • 1 eps

as Jonas Bradlaw • 2 eps

1 eps

as Robert Koch • 2 eps

as Dr. Friendman • 1 eps

as Sgt. Fred Mullins • 1 eps