Arthur Bauer

Burgomaster

Commander of Invading Army

Count Fosco

Million Dollar Deane

Mr. Wilmot

Maxon

The Ostrich Feather Importer

The Retired Trader

The Nymph's Uncle

Mysterious Girl's Former Employer

Major Dennison (Sylvia's uncle)

Mark Millions - Millionaire

Lawyer Wakem

John D. Gray - Watson's Boss

Grossbeck Upham

Gen. Darrington

Helen's Father

Tom Andrews

Pfaff - a German Agent

Pfaff

The Villainous Stage Manager

James, the Head Waiter

Mr. Brown, Pat's Employer

An Office Clerk