Dr. A.H. Llewellyn
Police Inspector
Pinsent
Cashier at Shipping Office
Mr Vemon
Yacht Port Manager
Lt. Cmdr. Ashton
Lord Redhill
Tom Walker
Charles Sheridan - the manager of Overend Works
Sir George Driscol
Julian Briant
Dr. Lardner
Garth Hope
Georgia Trustee
Lord Mayor of London
Mr. Wilson
Bateman
Inspector Thorne
Spectator
Hobson
Atherton
Chief Sub-Editor
Cornelis Smit
Judge
Adams
Tipsy Diner
Businessman
Randolph Potts
Blakemore
Drunk
Ewing
Inspector Fleming
Sir John
Sir Charles Bailey - the owner of the racehorse 'Maneater'
Mr. Perry
Dugan
Mr. Burton - the auctioneer
Police Chief
Matthews
Guide
Bradshaw