Jack Pennington
Constable Feathers
Sir Rowland Delahaye
Inspector Mike Pemberton
Jack Hazeldon
Jack Campbell
Jack Warrender
Jack Brown
Teddy Deakin
Jack Millett
Lord George Pilkinton
Jack Ponsonby
Jack
John Fergusson
Himself
Herr Hasel
Rene Martin
Holborn Policeman
Commander George Frencham
Sir Hugh Fawcett
Willie I