When her brother is killed by sabotage, Irene Eaton (Sally Eilers) joins the secret service and goes undercover to unroot the culprits.
Sally Eilers
as Irene Eaton a.k.a. Margaret Brennan
Allan Lane
as George Wolf / James Huntley
Fritz Leiber
as Dr. Krull
Frank M. Thomas
as Col. John Shaw
Theodore von Eltz
as Col. Marvin Page
Addison Richards
as Senator Everett Brock
Larry J. Blake
as Ben Dawson
Pierre Watkin
as Colonel Wilson
Louis Jean Heydt
as Gillian
Spencer Charters
as Lucius Wilkins
Leona Roberts
as Ella Wilkins
Charles Halton
as Beldon
