Charley
Squire
Sergeant
Roebuck Ramsden
Robert
Inspector Brockett
Det Insp Bead
Queen's Counsel
Dr. Friendman
Fairbrother
Sinclair
Sir George Crofts
William Strahan
Peter Thomas
Supt. Cramer
Chief Superintendent Strange
Mr. McAllister
Granville Bennett
Robert Koch
Kolmaar
Narrator
Jonas Bradlaw
Superintendent Carson
Inspector
Det. Sgt. Evans
George Bunn
Superintendent Rafferty
Sam McGuire
Catesby / Ely (voice)
Arthur Dumpton
Dr. John Anderson
Petroc