Midnight Menace
Briant Gaunt
Mary Stevens
Minister Peters of Grovnia
Socks, American Henchman
Smith, Bowler-hat Henchman
Pierre, Knife-throwing Henchman
Tony, Slender Henchman
Mac, Newspaper Editor
Sir George, Lead Conspirator
Baron von Kleisch, Delegate
Harris
Dr. Marsh
Conference President
Secret Agent Fearns
Vronsky, Peters' Aide
Banks
Graham Stevens
Zadek
Groves
