Chief Constable Giles, Inspector Giles

Inspector Marcel Guillaume

Clarence MacFarlane

Cameron Smith

Alvin Nash, Martin Hammerton

Mr. Jamieson

Constable Pete Holder

Professor Aldous Lawrence

Agent Tanner

Melanie Shropshire

Hubert Winston, Robert Grimsby

Jasper Linney, Sergeant Jasper Linney

Albert Slaight

Mr. Jamieson

Rex Grey

David Kingsley, Sherlock Holmes

Rodney Strong

Bert Grady

Percivel Thompson

Felicity Dowes

Marlin Edwards, Thomas Merrick

Lisette Barnes

Albert Slaight

Old Dave, Wilton Webb

Penelope Marsh

Fergus Dexter