

When a reporter is killed under mysterious circumstances, the political cartoonist on his paper begins to investigate on his own. He finds that a vengeful industrialist may be trying to manipulate an international peace conference to stage a bombing attack on London.
Sinclair Hill
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