Helen Holmes
Helen
Acting
Paul Hurst
Paul - the Brains of the I.D.B.
Acting
Leo D. Maloney
Inspector Hudson - Secret Service
Acting
Thomas G. Lingham
Sir Thomas Holstead
Acting
Katherine Goodrich
Lady Holstead
Acting
William Brunton
Hon. Fortesque Holstead
Acting
Charles Wells
Inspector Harrington - Secret Service
Acting