Midnight Menace

Charles Farrell Briant Gaunt

Margaret Vyner Mary Stevens

Fritz Kortner Minister Peters of Grovnia

Danny Green Socks, American Henchman

Wallace Evennett Smith, Bowler-hat Henchman

Monti DeLyle Pierre, Knife-throwing Henchman

Dino Galvani Tony, Slender Henchman

Arthur Finn Mac, Newspaper Editor

Laurence Hanray Sir George, Lead Conspirator

Arthur Gomez Baron von Kleisch, Delegate

Raymond Lovell Harris

Evan John Dr. Marsh

Reynes Barton Conference President

Terence O'Brien Secret Agent Fearns

Dennis Val Norton Vronsky, Peters' Aide

Billy Bray Banks