Midnight Menace

Charles Farrell

Briant Gaunt

Margaret Vyner

Mary Stevens

Fritz Kortner

Minister Peters of Grovnia

Danny Green

Socks, American Henchman

Dino Galvani

Tony, Slender Henchman

Laurence Hanray

Sir George, Lead Conspirator

Raymond Lovell

Harris

Andreas Malandrinos

Zadek

Wallace Evennett

Smith, Bowler-hat Henchman

Monti DeLyle

Pierre, Knife-throwing Henchman

Arthur Finn

Mac, Newspaper Editor

Arthur Gomez

Baron von Kleisch, Delegate

Evan John

Dr. Marsh

Reynes Barton

Conference President

Terence O'Brien

Secret Agent Fearns

Dennis Val Norton

Vronsky, Peters' Aide

Billy Bray

Banks

Sydney King

Graham Stevens

Victor Tandy

Groves